Particles of cosmic dust. Medical search. Frequent questions

Cosmic dust can be further distinguished by its astronomical location: intergalactic dust, interstellar dust, interplanetary dust (as in the zodiacal cloud), and circumplanetary dust (as in a planetary ring). (wikipedia.org)
In the Solar System, interplanetary dust causes the zodiacal light. (wikipedia.org)
intergalactic dust , interstellar dust, interplanetary dust (as in the zodiacal cloud ), and circumplanetary dust (as in a planetary ring ). (wikipedia.org)
The mineral, a manganese silicide named Brownleeite, was discovered within an interplanetary dust particle, or IDP, that appears to have originated from comet 26P/Grigg-Skjellerup. (sciencedaily.com)
Since 1982, NASA routinely has collected cosmic and interplanetary dust with high-altitude research aircraft. (sciencedaily.com)
for example: intergalactic dust, interstellar dust (potentially concentrated in a nebula), interplanetary dust (such as in a circumstellar disk) and circumplanetary dust (such as in a planetary ring). (phys.org)
In our own Solar System, interplanetary dust causes the zodiacal light. (phys.org)
These 160 particles indicate an interplanetary dust contamination rate of less than a gram of dust per square foot of ring per year. (aps.org)
The Cosmic Dust Laboratory will be shut down to interstellar tray scanning for about two months starting next week to catch up on allocations of interplanetary dust particles (IDPs). (berkeley.edu)
Usually the concept of cosmic dust includes the demarcation of interstellar and interplanetary varieties. (women-community.com)

Thousands of tons of cosmic dust are estimated to reach Earth's surface every year, with most grains having a mass between 10−16 kg (0.1 pg) and 10−4 kg (0.1 g). (wikipedia.org)
The density of the dust cloud through which the Earth is traveling is approximately 10−6 dust grains/m3. (wikipedia.org)
The interdisciplinary study of dust brings together different scientific fields: physics (solid-state, electromagnetic theory, surface physics, statistical physics, thermal physics), fractal mathematics, surface chemistry on dust grains, meteoritics, as well as every branch of astronomy and astrophysics. (wikipedia.org)
Thousands of tons of cosmic dust are estimated to reach Earth's surface every year, [4] with most grains having a mass between 10 −16 kg (0.1 pg) and 10 −4 kg (0.1 g). [4] The density of the dust cloud through which the Earth is traveling is approximately 10 −6 dust grains/m 3 . (wikipedia.org)
It is concluded that the photolysis of aromatic hydrocarbons adsorbed on the interstellar dust grains contributes a negligible fraction to the abundance of small hydrocarbons in the interstellar medium. (astrobiology.com)
He predicted comet 26P/Grigg-Skjellerup was a source of dust grains that could be captured in Earth's stratosphere at a specific time of the year. (sciencedaily.com)
Although a breathtaking sight, every year heaps of their dying ashes-tiny dust grains known as micrometeorites-litter our planet. (popsci.com)
If vapor temperature is too low, then the gas density is too small to push the grains out and we would not see such large amounts of particles," says Schmidt. (astronomy.com)
The scattering properties of this kind of dust particles are an important diagnostic tool which contains essential information about the nature of the grains. (iaa.es)
For the first time, the James Webb Space Telescope has observed the chemical signature of carbon-rich dust grains in the early universe. (phys.org)
The picture shows the glow detected at a wavelength of 0.35 millimetres coming from dense clouds of interstellar dust grains. (universetoday.com)
The "cotton candy" is actually made up of tiny particles of solid matter, with sizes from ten to a hundred times smaller than those of the dust grains we find on Earth, and the "diamonds" are both background and foreground stars. (universetoday.com)
From 2004 to 2017, when Cassini was intentionally destroyed by being plunged into Saturn's atmosphere, this instrument collected over 2 million grains of dust and rock from around Saturn, recording each grain's velocity. (aps.org)
Imagine that somewhere in a great cloud of cosmic gas and dust, a couple of grains wander into one another, and thanks to static electricity or something else, they stick. (castanet.net)

Now, after looking at data from multiple instruments, we can say there probably is water beneath the surface of Enceladus," says Juergen Schmidt, team member on Cassini's Cosmic Dust Analyzer at the University of Potsdam, Germany. (astronomy.com)
A team of scientists led by Frank Postberg of the University of Heidelberg used Cassini's Cosmic Dust Analyzer to directly examine the plumes during three flybys by the Cassini spacecraft. (livescience.com)

Discover how these microscopic particles floating in space could hold the key to the origins of the universe. (nasa.gov)
after the BigBang and microscopic particles, cosmic dust and introduces all the known chemical elements in those early times origins of the universe in highlights recently discovered in simple form to population young. (nasa.gov)
With this concern in mind, NASA requested that a task force of the National Research Council survey the potential for microscopic life-forms existing on moons, asteroids, comets, and cosmic dust. (daviddarling.info)
Cosmic dust is microscopic metal particles, crushed remnants of asteroids, and frozen liquid particles that can be found anywhere in the universe. (women-community.com)

Until then, Cassini will be analyzing cosmic dust and continuing to make fields and particles measurements. (nasa.gov)
Scientists have studied the plume dynamics since 2005, collecting data from several Cassini remote sensing instruments and those that sample particles directly, like the Cosmic Dust Analyzer. (astronomy.com)
Even] if we get hit by a particle that disables the spacecraft," Cassini deputy project scientist Scott Edgington told Ian O'Neill at Space.com before the first dive. (smithsonianmag.com)
Cassini came through that first dance just fine, giving researchers data on the particle sizes in the gap so they knew what to expect next. (smithsonianmag.com)
Kempf and his team used the Cosmic Dust Analyzer aboard the Cassini spacecraft for their flux measurements. (aps.org)

NASA collects samples of star dust particles in the Earth's atmosphere using plate collectors under the wings of stratospheric-flying airplanes. (wikipedia.org)
The two broad types they found were unmelted meteorites, which are wonky shaped and kind of fuzzy looking, and "cosmic spherules" which get hot enough to melt while blazing through the Earth's atmosphere at high speed. (popsci.com)
Moreover, there is great interest in measuring aerosol samples that can affect the radiative balance of the Earth's atmosphere such as desert dust, volcanic ashes, and carbon soot. (iaa.es)
Lower energy neutrinos have been seen coming from the sun and as products of cosmic rays colliding with Earth's atmosphere. (newscientist.com)

After 11 months of diligent searching by thousands of volunteers we have identified several dozen candidate interstellar dust particles. (berkeley.edu)
Naturally, there was also intense interest in the several dozen candidate interstellar dust tracks that we have found so far. (berkeley.edu)

The ancients may have had the ability to utilize cosmic rays or cosmic dust particles to create magical products or oils that would provide them with spiritual nourishment or elevation, he theorized. (coasttocoastam.com)
About 15% of the visible matter in our Milky Way galaxy is composed of this interstellar gas, dust and energetic particles like cosmic rays. (cyprus-mail.com)
Perhaps the gamma rays, that we monitored, were slowed down by scattering off dust particles, cosmic rays and such, making them proportionately slower than unimpeded gravitational waves that they might have been traveling with. (3quarksdaily.com)
For instance, neutrino detection would be a way to pinpoint sources of the highest energy cosmic rays . (newscientist.com)
It is thought these rays come from some of the universe's most powerful particle accelerators, such as intense supernovae. (newscientist.com)
But the charged cosmic rays are deflected by magnetic fields as they travel, making them hard to track. (newscientist.com)
In theory, when cosmic rays hit the upper atmosphere they can produce particles called charm mesons, which can then decay into high-energy neutrinos like Bert and Ernie. (newscientist.com)
In general, ionizing radiation refers to high-energy electromagnetic waves (x-rays and gamma rays) and particles (alpha particles, beta particles, and neutrons) that are capable of stripping electrons from atoms (ionization). (msdmanuals.com)

Cosmic dust - also called extraterrestrial dust, space dust, or star dust - is dust that occurs in outer space or has fallen onto Earth. (wikipedia.org)
A strange place, but excellent for looking for ancient extraterrestrial dust, which could reveal clues about the early formation of the solar system. (popsci.com)
The reason for this problematic approach to the study of the object is that the properties of extraterrestrial dust change dramatically when it is near a star like the Sun. (women-community.com)

The effect of nitric acid on aerosol particles in the atmosphere may offer an explanation for the smog seen engulfing cities on frosty days. (phys.org)
Researchers still can't fully predict why some particles melt while others are barely heated at all by their passage through the atmosphere, Engrand says, though larger particles tend to go faster. (popsci.com)
The UFDRS-System together with the given nature's solutions can re-balance our atmosphere in a period of two years or a little bit longer due to extension of the lifespan of a particle in the stratosphere. (scirp.org)
Before I will elaborate on the thesis that nano particles are the main cause of climate shifts, we will discuss the contemporary consensus that we have global climate-change with an expectation that we will face at least 3 degrees Celsius overall warming caused by increases in the amount of carbon dioxide in the atmosphere and, show that in some respect, the reasoning about global change can be improved. (scirp.org)
Carlton Allen, astromaterials curator at JSC, said Stardust's success is a prelude to other possible specimen-gathering missions to comets, asteroids, as well as bringing back to Earth whiffs of Mars' atmosphere, bits of high-altitude martian dust, as well as rock and soil direct from the red planet's surface. (space.com)
If they are being generated by charm mesons in the atmosphere, the particles should be clustered around 100 TeV, and the numbers should tail off as the energy reaches 1 PeV. (newscientist.com)
The lack of atmosphere means these particles follow pure ballistic trajectories and unless ejected at greater than orbital velocity (1.6 km/s), over time, they will travel through space and land back on the Moon. (smithsonianmag.com)

In the Solar System, dust plays a major role in the zodiacal light, Saturn's B Ring spokes, the outer diffuse planetary rings at Jupiter, Saturn, Uranus and Neptune, and comets. (wikipedia.org)
The Earth accretes about 40,000 tons of dust particles from space each year, originating mostly from disintegrating comets and asteroid collisions. (sciencedaily.com)
Comets are more fragile than they appear and are easily shattered by cosmic collisions or by straying too close to massive bodies. (listverse.com)
On the other hand, it was concluded that the Moon, Io , new comets, and cosmic dust exposed for long periods to hard ionizing radiation in space could safely be assumed sterile. (daviddarling.info)
Among the scientific payoffs in studying the captured particles is appreciating the physics of comets and how they operate, said Michael Zolensky, Stardust curator and co-investigator at JSC. (space.com)
Decay of celestial bodies … Some scientists believe that cosmic dust is nothing more than the result of the destruction of asteroids, comets and meteorites. (women-community.com)

in the clouds of the diffuse interstellar medium, in molecular clouds, in the circumstellar dust of young stellar objects, and in planetary systems such as the Solar System, where astronomers consider dust as in its most recycled state. (wikipedia.org)
The nebula contains stars equivalent to over 25 000 Suns, and the total mass of gas and dust clouds is that of about 140 000 Suns. (universetoday.com)
Thus, the census of the real estate of our Milky Way galaxy contains not only a few hundred billion stars (plus interstellar clouds of gas and dust), but also a comparable number of planets. (berkeley.edu)
There is just one ingredient: the cosmic clouds of gas and dust. (castanet.net)
Detecting astrophysical neutrinos would offer an unprecedented way of studying comic objects across vast distances, similar to the way infrared light allows us to peer into opaque cosmic dust clouds to see stars forming. (newscientist.com)
Her new album is as a movie over a sunken past emerging out of misty clouds, a movie where particles of nostalgia wander around finding their strawberry fields' places to unfold substance in purity and cosmic dust. (europejazz.net)
Dust clouds around the stars. (women-community.com)
Meteoroids hit the lunar surface at about 20 km per second, vaporizing particles on impact and throwing large clouds of lunar dust into space. (smithsonianmag.com)
Lunar dust "clouds" are not suspended, but are in constant ballistic motion, some particles ascending and some descending, depending upon their crater of origin. (smithsonianmag.com)
A second, interrelated question of particles (fog, smoke, dust, clouds) that appear in anime as a particularly estranging and blocking effect/affect on screen, and that speak to us, is part of this thinking beyond technological (weather) manipulation and withdrawn obfuscating visibility, our capacity for imagination, and ultimately the landscape's symbiotic relation with us. (lu.se)

In response to his prediction, NASA performed stratospheric dust collections, using an ER-2 high-altitude aircraft flown from NASA's Dryden Flight Research Center at Edwards Air Force Base, Calif. The aircraft collected IDPs from this particular comet stream in April 2003. (sciencedaily.com)
This episode of NASA Now highlights recently discovered wonders of the universe as well as common cosmic dust. (nasa.gov)
We are carrying out a careful process of extracting these candidate particles at the NASA Johnson Space Center in Houston. (berkeley.edu)

Scientists say that particles seen in the plumes are too numerous to have started from processes described in one existing model that requires low temperatures, proposing that gases may be trapped inside ice crystals. (astronomy.com)
Scientists working with Herschel have discovered that supernovae may be the culprits when it comes to the question of what filled the early universe with dust. (scientificamerican.com)
Scientists confirmed today that the Stardust sample return capsule that parachuted to Earth last weekend achieved a mission goal of catching comet and interstellar dust particles. (space.com)
The collection of particles brought back by Stardust is now safe on Earth for detailed study, not only for today, but for assessment by future generations of scientists using still-to-be developed tools and techniques, Zolensky said. (space.com)
Scientists will search the aerogel grid for dust samples, with more than 65,000 people having signed up to help in a project called Stardust@home in which home computers can be used to examine images of tiny sections of the aerogel grid to look for interstellar dust particles. (space.com)
This phenomenon was puzzling, but the Surveyor scientists thought that fine dust was being stirred above the surface by micrometeorite impacts. (smithsonianmag.com)

A smaller fraction of dust in space is "stardust" consisting of larger refractory minerals that condensed as matter left by stars. (wikipedia.org)
Interstellar dust particles were collected by the Stardust spacecraft and samples were returned to Earth in 2006. (wikipedia.org)
A distributed search by volunteers for interstellar dust in the Stardust Interstellar Dust Collector. (berkeley.edu)
We halted the scanning of the Stardust interstellar dust tray in Houston a couple of months ago, with about one-third of the tray scanned. (berkeley.edu)
In particular Henry was intrigued with NASA's Stardust project, which in January 2006 is returning to Earth, with interstellar particles-- "the building blocks of our Solar System, to be studied here for the first time. (coasttocoastam.com)
Extraction at Berkeley of a keystone from a tile on the Stardust cometary dust collector. (berkeley.edu)

It's really helping us better understand what's hitting us," says Larry Nittler , a cosmochemist who studies meteorites and space dust at the Carnegie Science Institute, who was not involved in the study. (popsci.com)

COC's payload consisted of an Electrostatic Cosmic Dust Collector (EDC) that would collect "transient passive IDPs (Interstellar Dust Particles) through the principle of electrostatic precipitation," according to the college's page on the HASP website . (signalscv.com)

The spacecraft has now entered the solar wind, which is a stream of particles emitted continually from the Sun that flows at roughly 400 kilometers per second (about 1 million miles per hour). (nasa.gov)
The chunks are leisurely floating away from each other and leaving a stream of particles in their wake at a totally underwhelming rate of 1.5 kilometers (1 mi) per hour. (listverse.com)

Stardust's encounter and cometary dust sample collection at comet Wild 2 occurred Jan. 2, 2004, with the spacecraft flying by the comet at roughly 149 miles (240 kilometers) distance. (space.com)

It provided independent and solid evidence that the cosmic dust in the early universe was formed in supernovae. (phys.org)

As the Earth ploughs through this dusty curtain, it catches (literally) tons of tiny particles, which gravity pulls to our planet's surface. (popsci.com)

Of the 2 million particles collected, this filtering left around 160, Kempf says. (aps.org)
Brownlee said more than a million particles larger than one micron (a millionth of a meter) in diameter are believed to have been captured. (space.com)

Most cosmic dust particles measure between a few molecules and 0.1 mm (100 μm), such as micrometeoroids. (wikipedia.org)
The lunar surface has been bombarded for 4 billion years by micrometeoroids and cosmic radiation, creating a layer of fine dust having a potentially reactive particle surface. (cdc.gov)

Then, because space dust spreads around the planet pretty evenly, they multiplied this number by the surface area of the entire Earth to figure out how many tons of micrometeorites hit us annually. (popsci.com)
Daily Cosmic Bombardment: Earth faces a constant barrage of dust and sand-sized particles, totaling a staggering 100 tons daily. (hindustantimes.com)

This graphic shows how the ice particles and water vapor observed spewing from geysers on Saturn's moon Enceladus may be related to liquid water beneath the surface. (astronomy.com)
However, most of the condensed ice particles fail to reach Enceladus' escape velocity of 536 miles per hour (240 meters per second). (astronomy.com)
Most of the particles, which have lost energy through collisions in transit, fail to achieve escape velocity and fall back to Enceladus' surface. (astronomy.com)
The E ring is the outermost of Saturn's seven ring groupings, and it is made up of particles ejected by Enceladus' geyser plumes. (livescience.com)
While previous studies found a relatively low amount of salt in the Enceladus geyser particles that make up Saturn's outer ring, the percentage is different when studying the geysers themselves. (livescience.com)
In addition, Poppe notes that the pollution from Enceladus moves very slowly, while dust originating from outside of the Saturnian system moves much faster. (aps.org)

With its wide bands of encircling dust, Saturn's rings are the biggest and brightest in our Solar System. (aps.org)
For example, previously released data indicated that particles within Saturn's rings are being pulled by gravity out of the rings, toward the planet, creating a dust-ice rain. (aps.org)

Irregular mineral particles play an important role in the radiative balance of planetary and minor bodies atmospheres in the Solar System. (iaa.es)

The internal heat comes from two sources-the energy released by the impacts of incoming objects when the Earth formed, some 4.5 billion years ago, and from the decay of radioactive elements present in the cosmic material. (castanet.net)
As 134Cs and 137Cs decay, beta particles and gamma radiation are given off. (cdc.gov)

The new mineral was found in one of the particles. (sciencedaily.com)
These mineral particles seem to occur with a broad range of shapes and to be distributed in size from the sub-micron region up to millimeters. (iaa.es)
We are especially interested in mineral dust particles that are potential candidates for being present in the planetary and cometary atmospheres of the Solar System (e.g. olivines, pyroxenes, calcite, carbon, etc). (iaa.es)
Toxicity of mineral dusts and a proposed mechanism for the pathogenesis of particle-induced lung diseases. (cdc.gov)

Cosmic dust can be detected by remote sensing methods that utilize the radiative properties of cosmic dust particles, c.f. (wikipedia.org)

Solar System dust includes comet dust, planetary dust (like from Mars), asteroidal dust, dust from the Kuiper belt, and interstellar dust passing through the Solar System. (wikipedia.org)
We were the first people in the history of the planet to see comet dust in hand," he reported today in a press briefing held at the center. (space.com)

They are the fine dust and nano structured particles that cause the shifts of the climate in cells, as demonstrated in this article and results i.e. in more thunder and lightning, extreme weather, distinct droughts and precipitation patterns. (scirp.org)
A novel ultra-fine dust electric reduction device (UFDRS-System), created by the author, diminishs to a size of less than 10 nano particles in diameter and thus prevents major electrical drift of nano structured particulates in the upper troposphere and lower stratosphere and contributes largely in purifying the air and thus reduces the effects of climate shifts. (scirp.org)
Surveyor found that the Moon's surface is composed of very fine dust, yet is cohesive enough to bear the weight of both a heavily laden astronaut and a loaded Lunar Module. (smithsonianmag.com)

Pinball-like physics account for the slow speed of the particles. (astronomy.com)

Japan's Tanpopo project is an experiment in astrobiology which will see a special collector attached to the International Space Station that will capture such cosmic dust. (u-aizu.ac.jp)
The team is developing software that will pick out cosmic dust particles using image processing based on micrographs from the collector made up of an ultra-low density materials called Silica aerogel. (u-aizu.ac.jp)

Contamination is contact with and retention of radioactive material, usually as a dust or liquid. (msdmanuals.com)

In an early experiment using a special air gun, particles were shot into aerogel at high velocities. (space.com)
As a result, there is nothing to slow down or stop material - usually traveling at cosmic (extremely high) velocities - from striking the Moon. (smithsonianmag.com)

To investigate the impact of surface reactivity (SR) on the toxicity of particles, and in particular, lunar dust (LD), we ground 2 Apollo-14 LD samples to increase their SR and compare their toxicity with those of unground LD, TiO2 and quartz. (cdc.gov)
Dust exospheres have been clearly observed and measured around the icy moons of Jupiter and Saturn, but the history of observations of the lunar dust cloud is murkier. (smithsonianmag.com)

Later this year, the simultaneous, joint observations of the two spacecraft will allow investigators to discover more about how the solar wind influences Jupiter's magnetic field and the charged particles trapped within it. (nasa.gov)
The Cosmic Dust Analyser (CDA) is intended to provide direct observations of particulate matter in the Saturnian system, to investigate the physical, chemical, and dynamical properties of these particles, and to study their interactions with the rings, icy satellites, and magnetosphere of Saturn. (esa.int)

In this article, I will show that carbon dioxide is not the driver, but a (useful) indicator of fossil burning and production processes that create nano sized particles (and particulate matter) which do affect climate shifts via coagulation and nucleation. (scirp.org)

Our solar system is home to what's called the zodiacal cloud -a shroud of cosmic dust suffused between the inner planets. (popsci.com)
The remnants of a cloud of protoplanetary type … There is a version according to which cosmic dust is attributed to microparticles of a protoplanetary cloud. (women-community.com)
In principle, the Moon should be surrounded by a "cloud" of dust ejecta, thrown out into space by the constant "rain" of micrometeorites. (smithsonianmag.com)
I put the term "cloud" in quotes because it is somewhat misleading - a cloud on the Earth is a collection of dust and water droplets, suspended in the air by buoyant forces provided by thermal differences. (smithsonianmag.com)
New studies indicate that the Moon possesses a permanent dust cloud , one generated by impact and constantly filling the space surrounding that body. (smithsonianmag.com)

The causes underlying these shifts are nano structured particles in the upper troposphere and lower stratosphere, especially largely produced and remain in the temperate climate northern hemisphere cell and get dispersed by jet streams and low and high pressure areas. (scirp.org)
However, because of electrical charge, caused by friction or due to anthropogenic negatively charged nano structured particle, emissions will travel up to the lower stratosphere and become neutralized at the electro sphere level, and they do also have a tendency to move to the Arctic. (scirp.org)
The present problem is that we produce huge amounts of air borne nano structured particles from combustion processes that never exist before. (scirp.org)
The only nano particles known in nature are those who are limited produced from volcano eruptions and natural forest fires. (scirp.org)

Naturally occurring sources of radiation are cosmic radiation from space or radioactive materials in soil or building materials. (cdc.gov)

Slightly changing any of these parameters can give significantly different dust dynamical behavior. (wikipedia.org)

This dust is a subject of intense interest because it is made of the original building blocks of the solar system, planets, and our bodies. (sciencedaily.com)
Our solar system is littered with objects smaller than its planets and moons which are the natural products of the accretion and collision processes that formed the sun and its orbiting bodies from a primordial rotating disc of gas and dust about 5 billion years ago. (berkeley.edu)
The space within these limits is always filled with dust from the destruction of cosmic bodies. (women-community.com)

Their small, dark cosmic dust particles make the rings faint, unlike fellow gas-giant Saturn, whose fabulous rings are full of sparkling ice boulders. (letstalkstars.com)

There are several methods to obtain space dust measurement. (wikipedia.org)
Space dust" redirects here. (wikipedia.org)
For other uses, see Space dust (disambiguation) . (wikipedia.org)
Where does all this space dust come from, anyway? (popsci.com)
But all the activity on Earth generates plenty of dust, too, making the measurement of just space dust pretty difficult. (popsci.com)

The vapor reboosts the frozen particles as they pinball off the walls, carrying them upward. (astronomy.com)

Cosmic dust is the key to the chemical evolution of stars, planets, and life itself, but its composition is not well understood, and we can't currently collect samples for analysis. (phys.org)
it seems that plasma refers to a phase of matter -different from solid, liquid or gas- characterized by its composition of ions or charged particles moving freely. (molwick.com)
Cosmic dust, its composition and properties are little known to a person who is not associated with the study of extraterrestrial space. (women-community.com)

The IAA Cosmic Dust Laboratory is devoted to experimentally studying the angle dependence of the scattering matrices of dust samples of astrophysical interest. (iaa.es)

As the Solar System formed billions of years ago, gravity pulled leftover gases and cosmic dust from the Sun into the gas giant Jupiter. (letstalkstars.com)

Infrared radiation can pass more freely through regions of cosmic gas and dust, and perhaps allow JWST to observe the formation of new planetary systems normally shrouded in fine particles. (discovermagazine.com)

Interstellar dust also spirals inward toward the planet's surface. (aps.org)

Artist's impression of dust formation around a supernova explosion. (wikipedia.org)
Astronomers worked out that the glow coming from the remnant was provided by lots and lots of dust - around 10,000 times more than previous estimates that were made 600 days after the explosion. (scientificamerican.com)
Matsuura and her colleagues have suggested that this new-found extra dust could have existed at day 600 after the explosion, but was not seen because it was beyond the reach of instruments available at the time. (scientificamerican.com)
The result of an explosion on the stars … As a result of this process, according to some experts, a powerful release of energy and gas occurs, which leads to the formation of cosmic dust. (women-community.com)

Cosmic dust was once solely an annoyance to astronomers, as it obscures objects they wished to observe. (wikipedia.org)
The astronomers accumulate observational 'snapshots' of dust at different stages of its life and, over time, form a more complete movie of the Universe's complicated recycling steps. (wikipedia.org)
These cosmic outliers are so strange that astronomers aren't sure how they formed. (listverse.com)
Now everyone's favourite supernova is at it again, helping astronomers at ESA's Herschel Space Observatory figure out where cosmic dust comes from. (scientificamerican.com)
For decades, astronomers have wondered where all of the dust in the early universe came from. (scientificamerican.com)

Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 mm in size. (phys.org)

Early on, stars like the Sun had not been around for long enough to make the amounts of dust seen. (scientificamerican.com)

Zodiacal light caused by cosmic dust. (wikipedia.org)

They put the snow in big plastic barrels which they hauled back to base, then melted the snow and strained out the cosmic dust, making sure to remove any occasional contaminants. (popsci.com)
Now Sascha Kempf of the University of Colorado Boulder and colleagues have addressed the latter problem, using dust contaminants within the rings to place an upper limit of 400 million years on the rings' age [ 1 ]. (aps.org)

Dust samples are also collected from surface deposits on the large Earth ice-masses (Antarctica and Greenland/the Arctic) and in deep-sea sediments. (wikipedia.org)
Earth is basically a gigantic cosmic dustbin. (popsci.com)
Cosmic dust on Earth is most often found in certain layers of the ocean floor, ice sheets of the polar regions of the planet, peat deposits, inaccessible places in the desert and meteorite craters. (women-community.com)
Streams of cosmic dust constantly attack the surface of the Earth. (women-community.com)

For example, cosmic dust can drive the mass loss when a star is nearing the end of its life, play a part in the early stages of star formation, and form planets. (wikipedia.org)
Residual phenomena after the formation of new planets … The so-called construction waste has become the basis for the generation of dust. (women-community.com)

The large number of ice particles observed spewing from the geysers and the steady rate at which these particles are produced require high temperatures, close to the melting point of ice, possibly resulting in an internal lake. (astronomy.com)

The most convenient option for studying such a phenomenon is considered to be the study of dust from space at the borders of the solar system or beyond. (women-community.com)

a cosmic mosh pit buzzing with gobs of dark matter and galaxies zipping about at great speeds. (listverse.com)

Organisms2

Diseases1

Chemicals and Drugs5

Phenomena and Processes2

Health Care1

Interplanetary10

Grains14

Cassini's Cosmic Dust Analyzer2

Microscopic4

Cassini5

Earth's4

Several dozen candidate interstellar dust2

Rays8

Extraterrestrial dust3

Atmosphere7

Comets6

Clouds10

NASA3

Scientists6

Stardust6

Meteorites1

IDPs1

Stream of particles2

Cometary dust1

Supernovae1

Tiny particles1

Million particles2

Micrometeoroids2

Tons2

Enceladus6

Saturn's2

Irregular1

Decay2

Mineral4

Radiative1

Comet dust2

Fine dust3

Physics1

Collector2

Contamination1

Velocities2

Lunar dust2

Observations2

Particulate1

Cloud5

Nano4

Radioactive1

Dynamical1

Bodies3

Faint1

Space dust5

Frozen1

Composition3

Laboratory1

Gravity1

Planetary systems1

Planet's surface1

Explosion4

Astronomers5

Molecules1

Amounts1

Zodiacal light1

Contaminants2

Earth4

Planets2

Geysers1

Study of dust1

Galaxies1