At the middle of a black hole, there is a gravitational center called a singularity. It is impossible to see into it because the gravity prevents any light escaping. Around the tiny singularity, there is a large area where light which would normally pass by gets sucked in as well. The edge of this area is called the event horizon. The area beyond the event horizon is the black hole. The gravity of the black hole gets weaker at a distance. The event horizon is the place farthest away from the middle where the gravity is still strong enough to trap light. Outside the event horizon, light and matter will still be pulled toward the black hole. If a black hole is surrounded by matter, the matter will form an "accretion disk" (accretion means "gathering") around the black hole. An accretion disk looks something like the rings of Saturn. As it gets sucked in, the matter gets very hot and shoots x-ray radiation into space. Think of this as the water spinning around the hole before it falls in. Most ...
Watch Steins Gate - Season 1, Episode 11 - Dogma in Event Horizon: As the lab members prepare to transport human memories by way of a Time Leap, Okabe receives some highly disturbing news...
This book is about black holes, one of the most intriguing objects of modern Theoretical Physics and Astrophysics. For many years, black holes have been considered as interesting solutions of the theory of General Relativity with a number of amusing mathematical properties. Now after the discovery of astrophysical black holes, the Einstein gravity has become an important tool for their study.
KentuckyFC writes The critical concept that makes a black hole black is the event horizon: a theoretical boundary in space through which light and other objects can pass in one direction but not the other. Since light cannot escape the event horizon, it must be black. The event horizon is a nuisanc...
effective earth radius definition - A value utilized as the radius of the earth, as opposed to its geometrical radius. This is used to correct for atmospheric refraction when the index of ...
Most people have heard of the event horizon of a black hole, as the point of no return. But astronomically realistic black holes are more complex and should have two horizons, an outer and an inner. In the bizarre physics of black holes, time and space are exchanged when you cross an event horizon, but at a second horizon they would switch back again. Travelling into a black hole, you would therefore pass through a strange region where space is falling inward faster than light, before finally entering a zone of normal space at the core. It s this core of normal space which Professor Hamilton has been working on ...
Imagine being able to peek inside a black hole and even perform experiments there. It may not be as far fetched as it sounds, thanks to a team which claims to have simulated a black holes event horizon in the lab. This could allow physicist to examine what happens to light on both sides of an event horizon -- a feat that is utterly impossible in astrophysics.
In this work we present a comparative study of three image deconvolution methods applied to fluorescence images of neural proteins. The purpose of this wor
A gravity well is only a model, the 3D plot of the gravity field strength (gravitational pull) of an object against the distance from said object, with said object being at the bottom of this well. This relationship is hyperbolic and the plot thus looks like a funnel. The plot for a black hole looks like a funnel with the walls becoming vertical and infinite at the diameter of the holes event horizon (a black hole has no physical surface or a diameter, what we commonly refer to as a black hole is its event horizon - the distance from the hole where the gravity is so strong that its escape velocity exceeds the speed of light) In laymans terms the depth and slope of this funnel are proportional to the gravity field strength of the object in question and the mass of the object, because gravity is determined by mass ...
During a warp jump, a ship is encased in a hollow event horizon with egosphere within. IE, an inverted black hole. As the craft flies through the cosmos, pretty much anything in front of it will begin to collect in the event horizon area in front of its vector. Its like a comet flying through the atmosphere. It collects the earths air in front and friction from this and the item creates heat and it burns up on reentry. Likewise,a craft in warp will collect the particles in front of it. Im not sure if it could take a chunk off a planet due to its sheer speed, but it would probably take a bit with it. Remember, at warp speed, youre in a bubble of space time being warped around you, so you really are a lot skinnier than you appear to the outside relativity. None the less, the crap around you collects ...
Narrator (April Hobart, CXC): Astronomers have made an important advance in the understanding of how clusters of stars like our Sun form using data from NASAs Chandra X-ray Observatory and infrared telescopes. The data show early notions of how star clusters are formed cannot be correct. The simplest idea is stars form into clusters when a giant cloud of gas and dust condenses. The center of the cloud pulls in material from its surroundings until it becomes dense enough to trigger star formation. This process occurs in the center of the cloud first, implying that the stars in the middle of the cluster form first and, therefore, are the oldest. These new results suggest something else is happening. By studying two clusters where Sun-like stars are forming - NGC 2024 (located in the center of the "Flame Nebula") and the Orion Nebula Cluster - researchers have discovered the stars on the outskirts of the clusters are actually the oldest. The researchers will use this same technique of combining ...
Accurate knowledge of the location and magnitude of ocean heat content (OHC) variability and change is essential for understanding the processes that govern decadal variations in surface temperature,
Ocean Heat Content Reveals Secrets of Fish Migrations. . Biblioteca virtual para leer y descargar libros, documentos, trabajos y tesis universitarias en PDF. Material universiario, documentación y tareas realizadas por universitarios en nuestra biblioteca. Para descargar gratis y para leer online.
Title: "Formation of Black Holes Imbedded in Galaxies: Neutrino Emission before the Event Horizon; Condensate vs Event Horizon BHs" March 12 15 Gatornationals ...
I have mentioned the news aggregating website, Enenews.com, in previous blog posts. They continue to do a yeomans job in documenting the huge mass of radioactive contamination that has crossed the Pacific Ocean from the failed/exploded/melted down nuclear reactors at Fukushima, Japan and which is now right off the coast of North America. That radioactive contamination is now working its way up the food chain, killing marine life and other life dependent on the sea, such as sea birds. Its in the sea birds now, and as it works itself a little higher it will get more and more into the human population. Thats because the human race is the apex predator on this planet and the radioactive bio-accumulation in the food chain stops with the human digestive tract. The human gut is a radioactive dead end -- and this is where this is all going -- to your end -- literally. You eat radioactive food and you will defecate radioactive excrement. Your butt will be radioactive. Colon cancer is a very painful ...
The editorial begins by talking about the new look of Signs & Portents, at least once Id peered at small type on a dark background to actually read it! Overall impression is that it is NOT an improvement, but I still hanker back to the portrait layout abandoned after issue # 26. So, on to more important matters like the content.. First up, a new DVD review column by Bryan Steele, someone who shares with most role-players a tendency to contemplate how that film or TV show might translate into a game... He looks at Doom, Event Horizon, Legend and The Scorpion King; and as well as summarising content without spoilers, relates the usefulness of the film as inspiration for role-playing very well. (My Traveller players have already met Event Horizon by the way!). Next is Ghost of a Chance, a RuneQuest scenario by Carl Walmsley. Strange creatures invading town and the ghost of a sorcerer whos been dead for 10 years trigger the need for someone to sort it all out. It is a neat if basic adventure ...
One of the most interesting memories I have from those days is that I had been over to the Rota and Cádiz region, which was then, and still is a major naval center for the Spanish and USSA militaries. I spent the night in a cheap hostel, and since there was nothing to do, I went out and just walked through the town. It was a chilly evening, with a biting wind whipping in off the sea. At the time, I was wearing a long, knee-length, naval officers pea coat with gold-colored, metal buttons. It was my winter coat. I had bought it for a couple of dollars in a military surplus store. It was the real thing and very warm. Due to the uncertainty surrounding the transpiring events in the Spanish Sahara and the possibility of military conflict with Morocco over that territory, the Spanish navy had mobilized a lot of sailors and marines and stationed them on ships riding at anchor in the harbor. It was the weekend and the fleet had been given shore leave. The side walks were choked with thousands of ...
Abstract. There is mounting evidence that resolving mesoscale eddies and western boundary currents as well as topographically controlled flows can play an important role in air-sea interaction associated with vertical and lateral transports of heat and salt. Here we describe the development of the Met Office Global Coupled Model version 2 (GC2) with increased resolution relative to the standard model: the ocean resolution is increased from 1/4 to 1/12° (28 to 9 km at the Equator), the atmosphere resolution increased from 60 km (N216) to 25 km (N512) and the coupling period reduced from 3 hourly to hourly. The technical developments that were required to build a version of the model at higher resolution are described as well as results from a 20-year simulation. The results demonstrate the key role played by the enhanced resolution of the ocean model: reduced sea surface temperature (SST) biases, improved ocean heat transports, deeper and stronger overturning circulation and a stronger Antarctic ...
1] Recent paleoproxy records suggest that the mean latitude of the Atlantic Intertropical Convergence Zone (ITCZ) varied synchronously with North Atlantic climate over a range of timescales throughout the Holocene and Last Glacial Maximum. We show that the present-day "meridional mode" of atmosphere-ocean variability in the tropical Atlantic is a potentially useful model for understanding these paleoclimate changes. The tropical Atlantic in a coupled atmospheric general circulation and slab ocean model responds to Last Glacial Maximum conditions with a southward displacement of the ITCZ. This response arises primarily through the land ice sheet that forces increased North Atlantic trades analogous to the forcing on the present-day meridional mode. Changes to sea ice coverage and to ocean heat transport associated with a weakened Atlantic thermohaline circulation also cause a meridional mode response, though through different mechanisms. Our results highlight the potential for tropical Atlantic ...
Our Sun is much like other stars, and not an anomaly because of its magnetic poles that flip every 11 years, scientists said Thursday.
Large scale coherent structures in electron heat transport of both core and edge plasmas are clearly found in plasma with a nonlocal transport phenomenon (NTP, a core electron temperature rise in response to an edge cooling) on Large Helical Device (LHD). At the onset of the NTP, a first order transition of the electron heat transport, which is characterized by a discontinuity of electron temperature gradient, is found to take place over a wide region (at least 6 cm wide) in the periphery of the plasma. At about the same time, over a wide region (about 10 cm wide) of the plasma core, a second order transition of the electron heat transport, which is characterized by a discontinuity of the time derivative of the electron temperature gradient, appears. The both large scale coherent structures are of a scale larger than a typical micro-turbulent eddy size (a few mm in this case). In order to assess dynamic characteristics of the electron heat transport state in the core region during the NTP, a ...
Recent studies have suggested that global mean surface temperature would remain approximately constant on multi-century timescales after CO2 emissions1, 2, 3, 4, 5, 6, 7, 8, 9 are stopped. Here we use Earth system model simulations of such a stoppage to demonstrate that in some models, surface temperature may actually increase on multi-century timescales after an initial century-long decrease. This occurs in spite of a decline in radiative forcing that exceeds the decline in ocean heat uptake-a circumstance that would otherwise be expected to lead to a decline in global temperature. The reason is that the warming effect of decreasing ocean heat uptake together with feedback effects arising in response to the geographic structure of ocean heat uptake10, 11, 12 overcompensates the cooling effect of decreasing atmospheric CO2 on multi-century timescales. Our study also reveals that equilibrium climate sensitivity estimates based on a widely used method of regressing the Earths energy imbalance ...
recently. The local Jews accompanied him.The visitor asked though his interpreter, what was going on. After getting their explanation he commented that it seemed the sun god was not accepting their offering, because the water fell back to the pond when they threw it up as an offering.The Hindu priests asked what could happen differently. Then the visiting Jewish holy man told them that he could throw the water as a supplication to the living God who is the creator of sun and all the other celestial stars, and his God would accept it.As the priests gave permission, he got down to the pond and worshipped God in the name of Father, Son, and Holy Spirit, and then threw the water up in to the air, and to all present it seemed the water drops remained suspended in the air.The visitor explained to the Hindu priests that he was Thomas, one of the Disciples of Christ. He further told them that Jesus was the incarnation of God, the father.The convinced priests accepted baptism from the hands of the Apostle ...
Hubble Probes the Archeology of Our Milky Ways Ancient Hub A new analysis of about 10,000 normal Sun-like stars in the Milky Ways bulge reveals that our galaxys hub is a dynamic environment of variously aged stars zipping around at different speeds. This conclusion is based on nine years worth of arch.... - Space Telescope Science Institute (STScI). America Astronomical Society Meeting, Jan-2018. Embargo expired on 11-Jan-2018 at 10:15 ET ...
Given local and transient influences on surface height, the values defined below are based on a "general purpose" model, refined as globally precisely as possible within 5 m (16 ft) of reference ellipsoid height, and to within 100 m (330 ft) of mean sea level (neglecting geoid height). Additionally, the radius can be estimated from the curvature of the Earth at a point. Like a torus, the curvature at a point will be greatest (tightest) in one direction (north-south on Earth) and smallest (flattest) perpendicularly (east-west). The corresponding radius of curvature depends on the location and direction of measurement from that point. A consequence is that a distance to the true horizon at the equator is slightly shorter in the north/south direction than in the east-west direction. In summary, local variations in terrain prevent defining a single "precise" radius. One can only adopt an idealized model. Since the estimate by Eratosthenes, many models have been created. Historically, these models ...
I read that light can orbit a black hole just outside the event horizon. Is this true? If it is true and light orbits for a long enough time, would you be ab...
Ive been rethinking "Interstellar" of late, especially in light of Kip Thornes "The Science of Interstellar." A lot of my science objections were actually explained away in terms that made sense… but only in light of facts that were not presented on screen. The fall past the event horizon? Obvious nonsense, nothing could survive the tidal stresses… till you find out the black hole is a two Hundred MILLION solar mass monster (somewhat counter intuitively, those are safer to approach than itty-bitty one solar mass black holes). Maneuvering in close? Far beyond the delta-V capability of the ship… till its explained that the ship does a slingshot maneuver - offscreen - around a 10,000 solar mass black hole in a convenient orbit around the big one. Stuff like that. Kinda cheating, but I guess it mostly works.. But one thing that still bugs me: once again, spaceflight is depicted as depressing, and the reason for the spaceflight is depicted as depressing. Its not as uplifting as it should be. ...
Our idea is that quantum effects build up right at the event horizon (the bubbles surface), leading to a phase transition. This in turn creates a gravitational repulsive force inside the "bubble" that prevents the surface from collapsing. This repulsive force is the same dark energy force believed to cause the expansion of the universe. We call these objects Gravitational Condensate Stars or Gravastars- celestial objects that would be compact, cold and dark, and look to astrophysicists just like black holes, although they are not holes at all. Our hypothesis does not contradict the conservation of information because there is no infinite crushing of space and time inside a Gravastar, and information is never destroyed ...
The paradox is resolved when a careful distinction is made between particle number and energy density. When the observer approaches the horizon, the notion of a well-defined particle number loses its meaning at the wavelengths of interest in the Hawking radiation; the observer is inside the particles. We need not, therefore, worry about the observer encountering an infinite number of particles. On the other hand, energy does have a local significance. In this case, however, although the Hawking flux does diverge as the horizon is approached, so does the static vacuum polarization, and the latter is negative. The falling observer cannot distinguish operationally between the energy flux due to oncoming Hawking radiation and that due to the fact that he is sweeping through the cloud of vacuum polarization. The net result is to cancel the divergence on the event horizon, and yield a finite result ...
Genetics and Windsurfing builds music around negative space - you dont have to listen very closely to realize that youre in the vicinity of an actual black hole, and whatever sound Daniel Jasniewski, the man behind the Genetics, decides to issue from his computery bank of beats and effects and samples and other neat stuff is soon obliterated from immediate time and space by the presence of the celestial object. As soon as a note or sample or beat is triggered, its immediately jerked backward at the speed of light, disappearing into the singularitys sheer gravity. Even when it seems like some tones are about to escape and shoot off like sentient aurora borealises and cause whatever mischief theyre capable of causing, that black hole - Ol Sucky, as our primitive ancestors used to call it - reels them back until theyre no longer perceivable beyond the event horizon ...
First time accepted submitter JoshuaZ writes Astronomers have found an unusual small star. SDSS J102915+172927 is a small faint star with very little of any elements other than hydrogen or helium. The stars composition is surprising (Pdf) since standard theories of star formation require heavier...
A promise made is a debt unpaid. ~Robert Service. Chance favors the prepared mind. ~Louis Pasteur. Not long ago a request came down from above for a list of Chandra's achievements that have completely transformed the way we have viewed our world, solar system, sun, or universe.. In other words, how many discoveries of the century have you made this year?. In a bow to David Letterman, or the decimal system, or other lists of ten that you can easily summon up, Chandra Project Scientist Martin Weisskopf submitted a list of Chandras top ten which would probably fall beyond the event horizon, never to be seen again. Not really, because it appears below, and being an environmentally conscious group, we will likely recycle the list several times before the next request requires generation of a new list which will be similar, but not identical to previous lists because real progress is being made.. Chandra's Top Ten (As of January 2011, not necessarily in order of importance). 1. Deep field ...
Going back to the acceleration example, an observer whose worldline is that hyperbola experiences constant proper acceleration of c2/b, and determines that there is an apparent horizon at a distance of b behind her. This horizon behaves pretty much the same as the event horizon of a black hole: nothing, not even light, can cross it towards the observer and something dropped by the observer towards the horizon takes an infinite time to reach it according to the accelerating observer ...
Evidence for a large exomoon orbiting Kepler-1625b Publication date: 04 October 2018 Authors: Teachey, A. and Kipping, D.M. Journal: Science Advances Volume: 4 Issue: 10 .... description
I note that the graph is labeled ocean heat content which cannot be correct given that the value is shown as zero prior to 1975. However the text suggests it is actually change in ocean heat content which would seem reasonable. I have assumed that to be the case.. The graph shows that over the last 30 years the oceans have absorbed 15×1022 joules of energy and as the red line shows this has been very close to linear over that time. Using a linear approximation implies the oceans have absorbed about 15×1022 / 30 or 5 × 1021 joules per year.. How does this compare with the claimed degree of global warming from rising carbon dioxide - expressed in watts / m2. Convert ocean warming first to watts = joules per second. There are 60 × 60 × 24 × 365 seconds per year = 3.15 × 107 seconds per year. So the oceans are absorbing 5 × 1021 / 3.15 × 107 joules per second = 1.6 × 1014 watts.. Now to get watts / m2 we need to divide the watts by the surface area of Earth. The Earth is a sphere of radius ...
I criticized this because the deep ocean will not release any heat in the next thousand years but rather continue to absorb heat. In his response at Dot Earth, Victor replied that I had "plucked this sentence out of context". However, in their article there simply is no context that would explain how "energy stored in the deep oceans will be released over decades or centuries" or how this would make it "a good proxy for the long-term risk". This statement is plainly wrong, and Victor would have been more credible to simply admit that. Victor there further argues that "the data suggest [OHC] is a more responsive measure" than surface temperature, but what he means by that, given the huge thermal inertia of the oceans, beats me.. My impression is this. Victor and Kennel appear to have been taken in by the rather overblown debate on the so-called hiatus, not realizing that this is just about minor short-term variability in surface temperature and has no bearing on the 2 °C limit whatsoever. In ...
We use standard general relativity to illustrate and clarify several common misconceptions about the expansion of the universe. To show the abundance of these misconceptions we cite numerous misleading, or easily misinterpreted, statements in the literature. In the context of the new standard ΛCDM cosmology we point out confusions regarding the particle horizon, the event horizon,the "observable universe" and the Hubble sphere (distance at which recession velocity = c). We show that we can observe galaxies that have, and always have had, recession velocities greater than the speed of light. ...
The Traveling Salesman Problem: Children. Building the same widget function more efficiently, at less realized accounting cost, with greater unrecognized misdirection cost, legacy profit fed by agency loss, and building a more effective process at less real cost to release energy, for the invention of widgets to open new economic horizons, are completely different economies, existing across a looking glass relay, of lawfully conforming social nonconformance. Calculus steps off the unknown curve in smaller and smaller integrals to distill the key to each event horizon, where speciation "appears" to occur. At threshold, the latter pulls in the implicit relay.. Healthcare, like everything else in the efficient empire, attempts to adapt the environment to equal outcomes, rather than adapting to the environment. The empire seeks to be the environment. In the beginning, the embryo requires massive relative energy and materials timed to entry for proper transcription, and the starting point is relative ...
There comes a time in your life where there is nothing else to do: no more discussions; no more doing; no more crying about what should have been or could have been; or no more searching for the right answer. There comes a time for only one thing: accepting the truth. It is a time of surrendering to what is and accepting the reality of the situation. For me, I have found that acceptance typically occurs after a major transformation. Although I have heard amazing stories of people accepting changes before and/or during transformations; it has been in my experience that I typically accept things only after the transformation has passed.. The image that comes to mind is one of being on a river. The river is turbulent, with debris and boulders; swift currents and lots of rapids. I am "busy" trying to stay in my life raft, avoiding the obstacles. The next thing I know, I hear and then see the event horizon of a waterfall. And then…I am in a free fall, plummeting to the bottom. Maybe it is because I ...
EVENT HORIZON: Miss Cakehead and The Kraken Rum prepare for Halloween with the corpse of a Kraken The Black Ink Society, a Kraken Rum-supported
Abstract: A model for holographic dark energy is proposed, following the idea that the short distance cut-off is related to the infrared cut-off. We assume that the infrared cut-off relevant to the dark energy is the size of the event horizon. With the input $\Omega_\Lambda=0.73$, we predict the equation of state of the dark energy at the present time be characterized by $w=-0.90$. The cosmic coincidence problem can be resolved by inflation in our scenario, provided we assume the minimal number of e-folds ...
The lack of a fundamental arrow of time in quantum mechanics, and Feynmans notion of antiparticles as particles traveling backward in time, also has potentially great utility in explaining the matter-antimatter asymmetry in the universe. My conjecture on this point is that anti-matter goes backward in time from the Big Bang (or much less commonly, from points after the Big Bang when it is created/annihilated depending upon your point of view), and ordinary matter matter goes forward in time. Photons, which are timeless, go in both directions at once. Thus, there is an absence of anti-matter in our universe, because most of the anti-matter created around the time of the Big Bang is in a parallel universe before the Big Bang in which time runs in the opposite direction. Feynmans characterization of anti-matter solves this cosmological mystery elegantly, with matter-antimatter pairs that are on opposite sides of the event horizon of the Big Bang, without the need for violations of baryon number ...
EPC-UK EDSL draws upon over 100 years of experience in the manufacture, handling, storage and transportation of explosives and is a world class supplier of explosives and related products offering tailor-made turnkey solutions to the market place.. As a European Distribution Warehouse for the supply of explosives and related products, EDSL is the sole UK Agent for Combined Systems Inc., and teams with a number of internationally renowned companies such as, Eurenco Bofors AB, Eurenco SNPE, Explosia a.s. and Event Horizon, for the distribution of their products. At EDSL, we work with customers developing innovative products to meet end user requirements.. Part of the EPC Groupe with an international presence throughout Europe, West Africa and the Middle East, EDSL supply security related products and services worldwide, using our own dedicated logistics company - EPC Logistics. This range of integrated capabilities also benefit from our remote 1200 acre site close to the international ports of ...
Humorous views on interesting, bizarre and amusing articles, submitted by a community of millions of news junkies, with regular Photoshop contests.
Campbell has been a big part of Burlingames 3-1 start, completing 48-of-82 passes for 538 yards and six touchdowns. Thats not quite on par with Shiller, who threw 30 touchdowns his senior season and completed 68 percent of his 280 passes for fourth best in San Mateo County history, but no one at Burlingame was expecting a true replacement for Superman. ...
Alex Rodriguez was suspended through 2014 and All-Stars Nelson Cruz, Jhonny Peralta and Everth Cabrera were banned 50 games apiece Monday when the MLB disciplined 13 players in a drug case.
As was mentioned earlier in the lab, the tropics are warmer than the poles because of differences in the angle at which solar radiation impacts the Earth. Very little solar radiation reaches higher …
Die Universität zu Köln ist eine Exzellenzuniversität mit dem klassischen Fächerspektrum einer Volluniversität. Als eine der größen Hochschulen Europas arbeitet sie in Forschung und Lehre auch international auf höchstem Niveau.
This diagram shows most of the major types of stars. The vast majority of stars are main sequence stars - these are star like the Sun that are burning hydrogen into helium to produce their energy. Most stars spend 90% of their life as main sequence stars. When stars exhaust their hydrogen fuel the outer layers of the star can expand greatly and the star becomes a giant. This only lasts a few million years before the star throws off its outer layers revealing a degenerate core, or in extreme cases a black hole. This diagram shows typical average properties for the different types of stars. There is also a negative version of this diagram which might be easier to print. ...
via hlntv.com. Mom and former child star Alyssa Milano says shes feeling sexier than ever at 40. But shes not the only star with a Benjamin Button-style aging process.. At 40, Alyssa Milano defies logic, and gravity, with her ageless looks - and she knows it! The "Mistresses" star recently told In Touch Weekly she feels hotter now than she did in her 20s.. Milano says having her 2-year-old son, Milo, only made her more confident. "After having him, I became more comfortable with my body," Milano said. But Milanos not the only star whos making "over the hill" look fab.. Here are five other stars in their 40s who may just look better today than they did in their youth. You be the judge. Hotter now or then?. Click the image. ...
Lines and boundaries are important structures in medical ultrasound images as they can help differentiate between tissue types, organs, and membranes. A typical example is in lung ultrasonography, where the presence of so-called B-lines is indicative of lung status in ventilated critically ill patients or of fluid overload in patients on dialysis. In order to be able to quantify such linear features, deconvolution is typically necessary, in order to enhance the generally poor ultrasound image quality. This paper presents a novel deconvolution technique for restoring ultrasound images. Our approach employs a standard inverse problem formulation involving a penalty term for enforcing a sparse solution, but augmented with an additional term aimed at promoting linear features. Specifically, we regularise our solution using the Radon transform, which effectively acts as a dictionary of lines. The resulting optimisation problem can then be addressed using both con-vex and non-convex techniques. We ...
My goal is to explore the connection between what we observe on the sun (heliophysics) and how it relates to what we see in other stars (astrophysics). My current research has been looking at visual wavelength range spectra for stellar objects such as M Dwarfs, K Giants, and eclipsing binaries. I would like to use this summer to expand my knowledge on solar observations, and the modules and vernacular that come with solar research. ...
does the Sun revolve around anything? (please dont say the Earth!) i know its going around the center of the Milky Way with all the other stars in the...
Journal of electron microscopy 49(1), 17-24, 2000-02-01 Published for the Japanese Society of Electron Microscopy by Oxford University Press ...
Firing epic quantities of water at Superman speeds-faster than a speeding bullet-a young star may be helping other stars to grow.
Earths energy imbalance (EEI) drives the ongoing global warming and can best be assessed across the historical record (that is, since 1960) from ocean heat content (OHC) changes. An accurate assessment of OHC is a challenge, mainly because of insufficient and irregular data coverage. We provide updated OHC estimates with the goal of minimizing associated sampling error. We performed a subsample test, in which subsets of data during the data-rich Argo era are colocated with locations of earlier ocean observations, to quantify this error. Our results provide a new OHC estimate with an unbiased mean sampling error and with variability on decadal and multidecadal time scales (signal) that can be reliably distinguished from sampling error (noise) with signal-to-noise ratios higher than 3. The inferred integrated EEI is greater than that reported in previous assessments and is consistent with a reconstruction of the radiative imbalance at the top of atmosphere starting in 1985. We found that changes ...
Earths energy imbalance (EEI) drives the ongoing global warming and can best be assessed across the historical record (that is, since 1960) from ocean heat content (OHC) changes. An accurate assessment of OHC is a challenge, mainly because of insufficient and irregular data coverage. We provide updated OHC estimates with the goal of minimizing associated sampling error. We performed a subsample test, in which subsets of data during the data-rich Argo era are colocated with locations of earlier ocean observations, to quantify this error. Our results provide a new OHC estimate with an unbiased mean sampling error and with variability on decadal and multidecadal time scales (signal) that can be reliably distinguished from sampling error (noise) with signal-to-noise ratios higher than 3. The inferred integrated EEI is greater than that reported in previous assessments and is consistent with a reconstruction of the radiative imbalance at the top of atmosphere starting in 1985. We found that changes ...
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JILA astrophysicists investigate the Sun, nearby stars, young stars, cool stars, and dying stars. Juri Toomre and the astrophysical fluid dynamics group study the internal workings of the Sun and other similar, but younger, stars. Their goal is to understand the dynamic processes that occur deep within these stars. They want to figure out how the internal motions and rotations of stars help... ...
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However, data that is on the cusp of being oversampled, where faint stars are spread over 3 pixels, may still benefit from a small amount of deconvolution. Every optical system, no matter how expensive, spreads a point light over multiple pixels to a degree (see Airy disk). Decon can reverse this spreading as well - just take it easy - it is very easy to overdo this ...
The masses listed in the table are inferred from theory, using difficult measurements of the stars temperatures and absolute brightnesses. All the listed masses are uncertain: both the theory and the measurements are pushing the limits of current knowledge and technology. Either measurement or theory, or both, could be incorrect. An example is VV Cephei, which, depending on which property of the star is examined, could be between 25 to 40, or 100 solar masses.. Massive stars are rare; astronomers must look very far from the Earth to find one. All the listed stars are many thousands of light years away, and that alone makes measurements difficult. In addition to being far away, it seems that most stars of such extreme mass are surrounded by clouds of outflowing gas; the surrounding gas obscures the already difficult-to-obtain measurements of the stars temperatures and brightnesses, and greatly complicates the issue of measuring their internal chemical compositions.. In addition, the clouds of ...
My words run out, but there are many others who have echoed loving tributes to Star. Heres just a few:. Stars boyfriend Michael: "In my many moments of not knowing what to do, of trying hard to find something to occupy the time so that I dont have to confront things, I read these blogs. Reading through other peoples memories of my dear, lovely, beautiful Star helps. It just helps… Everyone in the world is seeming to come out and join their voices together. And she would be embarrassed. So lets keep doing that.". One of Stars friends at Life in the Pink: "The thing you have to realize here, is that it is traditional, when someone dies, that everyone talks about how awesome they were, and no one says anything bad. But when Star was alive, no one could ever think of anything bad to say about her.". Jim Genzano from Phillyist: "When I heard that Star Foster had passed away, I didnt believe it. Part of me still doesnt. And its not just because she was so young and it happened so suddenly, ...
Noblesse dAmblie, Nana du Ponchet, Nino Bonito, Nayati Louzéen, Noble dArry, Nectar dArry, Night Star, Noisette, New Star Ardennes, Nomeo de Marina, Naquenée des Prés, Nabor Star, Nougat de Bussy, Nabor de Lec, Nymsted, New Gueham, Nina La Houlière. Orstar Minérale, Oreste Normand, Oyati Louzéen, Oliva Gec, Oscar du Glay, Only You Erem, Omania Besp, Olulu Rivellière, Ovéria de Ginai, Odin des Plains, Olga des Couperies, Opale du Paou, Odyssée dArthenay, Over Star, Ophélie du Pommeau, Orlando de Magda, Ondée de Bellande. Poustouf du Bleuet, Peel Green Magic, Petit Calloville, Pommeau du Hamel, Prestige Star, Pin Up Dégé, Pleyel de Claire, Paradoxal, Pégase de Monti, Pessac du Lilas, Pistolero Sport, Pavot des Monts, Paskado, Poly des Couperies, Pégasus de Phens, Pamus Star. Qualicia Lotoise, Qubler du Varlet, Quercy de Marny. Rekka Keryvon, Rosita de la Taute, Rêveur dAmour, Rika du Locheur, Randal du Lilas, Roff Gy, Renzo Pass, Rhum Ambré, Roméo de Blay. Super de Silly, ...
This evening there was a lull in my usual lunar occultation work and I turned my C14 onto Sirius. Now my C14 has always suffered from a slight haze on the inside of the corrector plate, and I have never plucked up the courage to remove and clean it like I did my old C8. Further the alignment of the secondary is tweaked to approximately correct to give good star images but is not perfect and in/out of focus images at high power will testify. So what I am saying is the optics are not perfectly clean nor perfectly aligned. Conditions were relatively steady. So I first of all inserted a standard (40 to 60 degree field) 8mm - 24mm zoom eyepiece. At 24mm (X163) the pup was very difficult to see close to the brilliant image of Sirius. It was easier to zoom in to the 8mm focal length (X489) when it stood out so plainly with black sky all around that I was wondering whether I was looking at the correct star. Zoomed out back to X163, (now knowing precisely where to look), I was able to spot it, by moving ...
This evening there was a lull in my usual lunar occultation work and I turned my C14 onto Sirius. Now my C14 has always suffered from a slight haze on the inside of the corrector plate, and I have never plucked up the courage to remove and clean it like I did my old C8. Further the alignment of the secondary is tweaked to approximately correct to give good star images but is not perfect and in/out of focus images at high power will testify. So what I am saying is the optics are not perfectly clean nor perfectly aligned. Conditions were relatively steady. So I first of all inserted a standard (40 to 60 degree field) 8mm - 24mm zoom eyepiece. At 24mm (X163) the pup was very difficult to see close to the brilliant image of Sirius. It was easier to zoom in to the 8mm focal length (X489) when it stood out so plainly with black sky all around that I was wondering whether I was looking at the correct star. Zoomed out back to X163, (now knowing precisely where to look), I was able to spot it, by moving ...
Carbon-enhanced metal poor stars (CEMP) form a significant proportion of the metal-poor stars, their origin is not well understood. Three very metal-poor C-rich turnoff stars were selected from the SDSS survey, observed with the ESO VLT (UVES) to precisely determine the element abundances. In turnoff stars (unlike giants) the carbon abundance has not been affected by mixing with deep layers and is therefore easier to interpret. The analysis was performed with 1D LTE static model atmospheres. When available, non-LTE corrections were applied to the classical LTE abundances. The 3D effects on the CH and CN molecular bands were computed using hydrodynamical simulations of the stellar atmosphere (CO5BOLD) and are found to be very important. To facilitate a comparison with previous results, only 1D abundances are used in the discussion. The abundances (or upper limits) of the elements enable us to place these stars in different CEMP classes. The carbon abundances confirm the existence of a plateau at A(C)= 8
Stores the star catalogue data. Used to render the stars themselves, as well as determine the color table and render the labels of those stars with names for a given SkyCulture.. The celestial sphere is split into zones, which correspond to the triangular faces of a geodesic sphere. The number of zones (faces) depends on the level of sub-division of this sphere. The lowest level, 0, is an icosahedron (20 faces), subsequent levels, L, of sub-division give the number of zones, n as:. n=20 x 4^L. Stellarium uses levels 0 to 7 in the existing star catalogues. Star Data Records contain the position of a star as an offset from the central position of the zone in which that star is located, thus it is necessary to determine the vector from the observer to the centre of a zone, and add the stars offsets to find the absolute position of the star on the celestial sphere.. This position for a star is expressed as a 3-dimensional vector which points from the observer (at the centre of the geodesic sphere) ...
Reference 114 : 6 stars Reference 122 : 5 stars Reference 214 : 33 stars Reference 290 : 1 star Reference 306 : 2 stars Reference 345 : 1 star Reference 429 : 13 stars Reference 504 : 1 star Reference 578 : 4 stars Reference 582 : 7 stars ...
Shop for Homeschool, Subjects, History, History Subjects, American History, 4+ Stars, 20%+ Off, 1+ Stars, 60%+ Off, Grade 10, Grade 6, 2+ Stars and much more. Everything Christian for less.
A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from…
A review of the Names Of Stars by Names Of Stars. Published July 26, 2010. ; !earshot magazine features campus/community radio charts, cd reviews, articles and interviews, label profiles and more.
The foundations of the hospitals in the Chaleur region, on the Acadian Peninsula, in the Restigouche region, and in Grand Falls, Saint-Quentin and Sainte-Anne-de-Kent, jointly with UNI Coopération financière, are proud to announce that the Northern Star raised a record amount of $104,310. All the funds raised during the activity will go to the foundations so they can meet the needs of their respective facilities. "On behalf of everyone who will benefit from the various enhancements to our hospitals, I wish to thank you for your participation and to assure you that your donations will make a real difference for health care in our regions," explained Dre. Christine Duclos, Co-Chair of the Northern Star for the Chaleur Regional Hospital Foundation. For just over two months, people were invited to get mini-Christmas trees available from UNI and various businesses. Once again this year, the Northern Star was a great success; we were able to see each of our communities rally behind the cause. "Every ...
The Sun and stars rotate in different ways and at different rates of velocity, and knowledge of how they rotate is important in understanding the formation and evolution of stars and their structure.
Twinkle, twinkle, little star, how I wonder what you are. If we look up at the sky at night, we see millions of tiny diamond-like stars. These are actually balls of plasma (very hot gas) consisting of…
Best 4 Star Hotels in Abingdon on TripAdvisor: Find traveller reviews, candid photos, and prices for four star hotels in Abingdon, United Kingdom.
Reflex: Fitness & Instruction - ул. Я.Коласа, 61, Минск, - reviews, recommendations and comments. 0 reviews found for: Address: 0 star rating. See s rating on PLACE STARS. Add and post your own rev...
When Star Walk launched it was one of those only on the iPad kind of apps. Since then many have used it as their digital window to space.
Timberland PRO Five Star Wilshire Reviews at Zappos.com. Enjoy free shipping BOTH ways, 365-day return policy, 24/7 customer service.
And the NFL star didnt have to wait too long. During the middle of their reality shows third season run, he and Jessie took to Instagram to announce that the Decker family would be expanding once more. And they revealed the news in the cutest way possible.. ...
Like the relationships they limn, Stars songs dont take a straight line. Theyre closer to mini-suites, bouncing wildly from one mood to another, giving them a vertiginous energy.
The film - which is the directorial debut of Family Guy creator Seth MacFarlane - will star Mark Wahlberg as a grown man reunited with a life-size versio
File this under news we seriously never saw coming: Justin Bieber reportedly wants to star in a remake of Fear. The original 1996 film starred
Performance charts for North Star Micro Cap Fund (NSMEX) including intraday, historical and comparison charts, technical analysis and trend lines.
StarWrapper(const SpecialZoneArray, Star3 , *a, const SpecialZoneData, Star3 , *z, const Star3 *s) (defined in StarWrapper, Star3 , ...
The star tight end ran short routes, caught passes and jogged back to the line of scrimmage during the teams second day of practice.
Parameter determination of a binary star system - DI Mag Fabian Prilasnig - Diplomarbeit - Astronomie - Publizieren Sie Ihre Hausarbeiten, Referate, Essays, Bachelorarbeit oder Masterarbeit
... - The new Chevrolet Trax featured in the latest EuroNCAP safety session. Chevrolet`s proposition for the small SUV segment
Star Paws (Chilli-con-Jarre-Mix) - c64 remix by Amok. Original by Rob Hubbard. Released |span itemprop=datePublished content=1206295145|23/03/2008|/span|. Cool... I can write additional infos to my tunes again...   The idea was a calm, simple arranged remix with the focus on the melodies. I tried to do it in a jarreish style.   The track is very successful on www.myownmusic.de Just entered th...
Real Madrid have announced that one of their stars has been diagnosed with a viral infection affecting the membrane enclosing the heart.
During the UPHA/AHHS Convention in Hilton Head Island, Jan. 8-10, 2009, the UPHA and AHHS Foundation will hold a Dancing With Our Stars fundraiser.
Dancing with the Stars producers are doing everything they can to avoid an encore performance from protesters ahead of Tuesday nights season finale.
Americas Next Top Model: The biggest star goes What bothers me most isnt that Toccara was eliminated from the competition…
ABC News Michael Strahan talks to Ellen Pompeo, who stars as Dr. Meredith Grey and said she almost turned down the role because shes a hypochondriac.
Dog problems are apparently nothing new in Kewanee. Recently the City Council began the task of tweaking the citys pet ordinance to do more to curb the problem of dogs running loose and causing damage to property, injury to people, and even death to other pets.While in search of information for another column I came across a set of stories carried in the Star Courier during the week of Aug. 5-12, 1903.I didnt go back to see how it all started, but apparently city officials were combating a
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Six Star has been created for those who want to achieve their goals faster. In doing what it takes to be successful. In taking their health and fitness lifestyle to the next level.

Baywatch star Donna DErrico is determined to suffer through the pain and continue her hunt for Noahs Ark - antiMUSIC.com news
Have you ever wondered what measures can be adopted to prevent yourself from this flu? The Daily Star brings to you expert advice from medical practioners on home remedies to prevent seasonal flu ...
Kim Zolciak got booted off Dancing with the Stars Monday night, but she was totally caught off guard by producers decision to cut her.