Greek helium. Medical search. Frequent questions

The sun is comprised almost entirely of hydrogen and helium gas. (icr.org)
Similar analysis of starlight reveals that stars are also spheres of hydrogen and helium gas like the sun-but at much greater distances. (icr.org)
About 4.5 billion years ago, the sun began to take shape from a molecular cloud that was mainly composed of hydrogen and helium. (nationalgeographic.org)
Much of the hydrogen and helium remained in the center of this hot, rotating mass. (nationalgeographic.org)
Instead, the sun is composed of layers made up almost entirely of hydrogen and helium. (nationalgeographic.org)
Hopefully we can use this new study to learn what types of planets have large envelopes of hydrogen and helium, and how long they can hold the gases in their atmospheres. (exeter.ac.uk)
The two primary lifting gases used by airships have been hydrogen and helium. (kobietaigolf.pl)
The atmosphere is mostly hydrogen and helium, but also includes large amounts of water, ammonia and methane. (nasa.gov)

Helium (from Greek: ἥλιος, romanized: helios, lit. (wikipedia.org)
Lockyer and English chemist Edward Frankland named the element with the Greek word for the Sun, ἥλιος (helios). (wikipedia.org)
The name comes from Helios, the greek word for sun. where it was found, i dont know. (tabulka.cz)
Lockyer dubbed the new element helium, after the Greek word for the sun (helios). (aps.org)
It was named helium after the Greek word for the sun helios, and was subsequently discovered on earth forty years later! (suse.com)
The element was named "helium" (for helios, the Greek word for "sun. (vox.com)
This is why it has the name "helium" from "Helios," the ancient Greek deity of the sun. (icr.org)
Helium is named after the Greek word for the sun, helios, as it was first identified in the sun's corona (the sun is composed of 25% helium). (acs.org)
The second lightest element in the periodic table, it's named for Helios, the ancient Greek sun god, because it was discovered on the Sun, spectroscopically, before it was ever found on Earth. (forbes.com)
In fact Helium was discovered on the sun before it was found on earth, hence why it is named after Helios the Greek god of the sun. (thenakedscientists.com)
Devon-based astronomer Norman Lockyer was the first to propose this line was due to a new element, and named it after the Greek Titan of the Sun, Helios. (exeter.ac.uk)
helios (sun) . " helium " in different languages. (rinosafrizal.com)
Helium (In Greek Helios= Sun). (infinitylearn.com)
E939 (Helium) gets Helium's name from 'helios', the Greek word for the sun. (atamanchemicals.com)

helium has 2 protons neutrons and electrons. (tabulka.cz)
How many protons does Helium have? (tabulka.cz)
An alpha particle has a mass of 4 atomic mass units (amu) and is equal to a helium nucleus (i.e., two protons and two neutrons, and a charge of +2). (cdc.gov)
Today we know alpha rays are the same thing as helium nuclei (two protons and two neutrons), beta rays are either electrons or positrons (their antimatter versions), and gamma rays are a kind of light. (symmetrymagazine.org)
Helium3 (He3, also written as 3 He, see also helion) is a light, nonradioactive isotope of helium with two protons and one neutron (common helium having two neutrons). (kobietaigolf.pl)

how many neutrons does helium have? (tabulka.cz)

Helium belongs to the Noble Gases family. (tabulka.cz)
A few years later, scientists were able to isolate helium in a laboratory by chemically treating igneous rocks, separating the noble gases from the atoms they were bound together with. (forbes.com)
Helium is mixed with oxygen and other gases for deep underwater diving because it does not cause nitrogen narcosis . (wikipedia.org)
Other components of welding fume may include chromium and other metals, shielding gases such as helium, argon, and nitrogen, and gases created by the process such as nitrogen dioxide, hydrogen fluoride, and ozone. (cdc.gov)

Lockyer was the first to propose that the line was due to a new element, which he named after the Sun. The formal discovery of the element was made in 1895 by chemists Sir William Ramsay, Per Teodor Cleve, and Nils Abraham Langlet, who found helium emanating from the uranium ore, cleveite, which is now not regarded as a separate mineral species, but as a variety of uraninite. (wikipedia.org)
On March 26, 1895, Scottish chemist Sir William Ramsay isolated helium on Earth by treating the mineral cleveite (a variety of uraninite with at least 10% rare-earth elements) with mineral acids. (wikipedia.org)
ramsey discovered helium in 1895. (tabulka.cz)
On 26 March 1895 British chemist William Ramsay isolated helium on Earth by treating the mineral cleveite with mineral acids. (rinosafrizal.com)

The most common isotope of helium in the universe is helium-4, the vast majority of which was formed during the Big Bang. (wikipedia.org)

Terrestrial helium is a non-renewable resource because once released into the atmosphere, it promptly escapes into space. (wikipedia.org)
Due to its unreactive nature, helium provides a protective atmosphere for making fiber optics, semiconductors, and in arc welding. (acs.org)
Once helium is released in the atmosphere, it will continue rising until it escapes into space, making it the only truly unrecoverable element. (acs.org)
This colour comes from methane which is present in abundance in hydrogen-helium atmosphere of the planet. (sheffieldastro.org.uk)
Astronomers have discovered a distant planet with an abundance of helium in its atmosphere, which has swollen to resemble an inflated balloon. (exeter.ac.uk)
For the first time, the data revealed the speed of helium atoms in the upper atmosphere of the exoplanet, which is equivalent in size to Neptune. (exeter.ac.uk)
The 'rainbow' data, called a spectrum, also tells us the position and speed of helium atoms in the upper atmosphere of HAT-P-11b, which is 20 times closer to its star than the Earth is from the Sun. (exeter.ac.uk)
While there is some helium in the atmosphere, currently its isolation from that source by liquefaction and separation of air is not normally economic. (rinosafrizal.com)
Because it is inert, helium is used as a protective gas in growing silicon and germanium crystals, in titanium and zirconium production, in gas chromatography, and as an atmosphere for protecting historical documents. (rinosafrizal.com)
On Earth, E939 (Helium) is relatively rare-5.2 ppm by volume in the atmosphere. (atamanchemicals.com)
In its thick atmosphere, there is 74% hydrogen, 25% helium and 1% methane. (biggani.org)

The superfluid helium shown here is dripping because there is no friction in the fluid to keep it from creeping up the sides of the container and spilling over, which it does spontaneously. (forbes.com)
In the first step of this cooperation, I collaborated with John Weisend, Deputy Head of Accelerator Projects at ESS looking at the issues surrounding turbulence in superfluid helium. (lu.se)
Superfluid helium (also known as He II) occurs when liquid helium is cooled to within 2.172 degrees of absolute zero (absolute zero is about -273° C). In this ultra-cool region, helium can flow without viscosity or friction, but seldom without turbulence. (lu.se)
But if you did that with superfluid helium and come back 10 years later, the liquid will still be moving. (lu.se)
Superfluid helium features other amazing behaviors, like the ability of a fluid to flow up the side of a wall or to fit into and flow through impossibly small, molecular-wide spaces, or for the body of the fluid to remain steady when a container is spun, or to produce a frictionless fountain that will flow forever. (lu.se)

Most terrestrial helium present today is created by the natural radioactive decay of heavy radioactive elements (thorium and uranium, although there are other examples), as the alpha particles emitted by such decays consist of helium-4 nuclei. (wikipedia.org)
The alpha particles emitted by such decays consist of helium-4 nuclei. (wikipedia.org)

There are 9 isotopes of helium, only two of which are stable. (wikipedia.org)
A liquid mixture of the two isotopes E939 (Helium)-3 and E939 (Helium)-4 separates at temperatures below about 0.8 K (−272.4 °C, or −458.2 °F) into two layers. (atamanchemicals.com)

For this new study, the research team used the spectrograph, Carmenes, to pull apart the star's light into its component colours, like a rainbow, to reveal the presence of helium. (exeter.ac.uk)
Astronomers detected the presence of helium in 1868, when its spectrum was identified in light from the Sun . [5] This was before its discovery on Earth . (wikipedia.org)

His paper detailing those observations arrived at the French Academy of Sciences on the same day as Janssen's paper, so both men received credit for the discovery of helium. (aps.org)
A recent discovery of helium beneath Tanzania may provide a short-term boost in future helium supply if development challenges can be overcome. (acs.org)

Janssen recorded the helium spectral line during the solar eclipse of 1868, while Lockyer observed it from Britain. (wikipedia.org)
Pierre Janssen (top) and Joseph Norman Lockyer (bottom), discovers of helium. (aps.org)
Ramsay was looking for argon but, after separating nitrogen and oxygen from the gas liberated by sulfuric acid, noticed a bright-yellow line that matched the D3 line observed in the spectrum of the Sun. These samples were identified as h helium by Lockyer and British physicist William Crookes. (rinosafrizal.com)
Helium was discovered by Frankland and Lockyer in 1868. (infinitylearn.com)

Helium was first detected as an unknown, yellow spectral line signature in sunlight during a solar eclipse in 1868 by Georges Rayet, Captain C. T. Haig, Norman R. Pogson, and Lieutenant John Herschel, and was subsequently confirmed by French astronomer Jules Janssen. (wikipedia.org)
The first evidence of helium was observed on August 18, 1868, as a bright yellow line with a wavelength of 587.49 nanometers in the spectrum of the chromosphere of the Sun. The line was detected by French astronomer Jules Janssen during a total solar eclipse in Guntur, India. (wikipedia.org)
Helium was discovered by a french astronomer Pierre J. Jassen in 1868! (tabulka.cz)
In fact, it is so rare that helium was discovered only in 1868, thanks to the efforts of two scientists in particular, one in England, and the other in France. (aps.org)
Helium was first detected as an unknown yellow spectral line signature in sunlight in 1868. (exeter.ac.uk)
Helium was discovered by the French astronomer pierre Janssen on August 18, 1868, as a bright yellow line in the spectrum of the chromosphere of the Sun . [6] [7] The line was thought to be sodium . (wikipedia.org)

The lightest inert gas found in nature: helium. (forbes.com)
Helium is the second lightest element known to man. (tabulka.cz)
When things get too heavy just call me helium, the lightest known gas to man. (kobietaigolf.pl)
E939 (Helium) is the second lightest and second most abundant element in the observable universe (hydrogen is the lightest and most abundant). (atamanchemicals.com)
It is the second-lightest noble gas, with helium being the first. (chemistrytalk.org)

In 1908, helium was first liquefied by Dutch physicist Heike Kamerlingh Onnes by cooling the gas to less than one kelvin. (rinosafrizal.com)
It was here that Heike Kamerlingh-Onnes first liquefied helium in 1908. (qd-europe.com)

Liquid helium is used in cryogenics (its largest single use, consuming about a quarter of production), and in the cooling of superconducting magnets, with its main commercial application in MRI scanners. (wikipedia.org)
Today, we rely on helium in cryogenics, superconducting magnets and MRI scanners. (suse.com)
Helium at low temperatures is also used in cryogenics. (rinosafrizal.com)

This helium-4 binding energy also accounts for why it is a product of both nuclear fusion and radioactive decay. (wikipedia.org)
However, some studies suggest that helium produced deep in the Earth by radioactive decay can collect in natural gas reserves in larger-than-expected quantities, in some cases having been released by volcanic activity. (wikipedia.org)
Despite being the second most abundant element in the observable universe, helium is relatively rare on Earth, the product of the radioactive decay of elements like uranium. (aps.org)
Helium is actually rare on earth, produced deep in the earth by radioactive decay. (suse.com)
On the Earth, most helium is a radioactive decay product of uranium and thorium. (acs.org)
Just about all the helium remaining on the planet is the result of radioactive decay. (rinosafrizal.com)

Alpha Particle (symbolized by Greek letter )-- A charged particle emitted from the nucleus of certain radioactive atoms. (cdc.gov)
These new observations are supported by a state-of-the-art computer simulation, led by Vincent Bourrier, co-author of the study and member of the European project FOUR ACES, used to track the trajectory of helium atoms. (exeter.ac.uk)
During this process, two hydrogen atoms are fused together to form one helium atom. (wikipedia.org)
In a similar mechanism to neon signs, electric currents excite helium and neon atoms in discharge tubes. (chemistrytalk.org)

In 1907, Ernest Rutherford and Thomas Royds demonstrated that an alpha particle is a helium nucleus. (rinosafrizal.com)
It is therefore a helium nucleus with a nucleon number of 4 and a proton number of 2. (cyberphysics.co.uk)

Liquid helium is unique among all elements in that it can reach ultra-cold temperatures, approaching absolute zero (-273.15°C). Research conducted at these low temperatures has led to discoveries in superconductivity that have led to many applications, including the Maglev high-speed train. (acs.org)
Liquid helium boils off and can be captured and recycled by re-liquefying it. (acs.org)
At extremely low temperatures, liquid helium is used to cool certain metals to produce superconductivity, such as in superconducting magnets used in magnetic resonance imaging. (rinosafrizal.com)
He tried to solidify it by further reducing the temperature but failed because helium does not have a triple point temperature where the solid, liquid, and gas phases are at equilibrium. (rinosafrizal.com)
455.7518 °F), the isotope E939 (Helium)-4 exists in a normal colorless liquid state, called E939 (Helium) I. (atamanchemicals.com)
E939 (Helium)-4 is unique in having two liquid forms. (atamanchemicals.com)
The normal liquid form is called E939 (Helium) I and exists at temperatures from E939 (Helium) I's boiling point of 4.21 K (−268.9 °C) down to about 2.18 K (−271 °C). (atamanchemicals.com)
This liquid form is called E939 (Helium) II to distinguish it from normal liquid E939 (Helium) I. (atamanchemicals.com)
By contrast, the less plentiful E939 (Helium)-3 forms three distinguishable liquid phases of which two are superfluids. (atamanchemicals.com)
In current research, many systems require liquid helium. (qd-europe.com)
The highly sensitive sensors are necessary to detect magnetic fields in the femto-tesla range in an active brain and must be cooled with liquid helium. (qd-europe.com)
An ATL system not only saves a vast amount of money compared to the repeated purchase of liquid helium, but also secures a continuous helium supply. (qd-europe.com)
It has 40 times the cooling capacity (per volume) of liquid helium and over 3 times that of liquid hydrogen. (chemistrytalk.org)

In 1881, Italian physicist Luigi Palmieri detected helium on Earth for the first time through its D3 spectral line, when he analyzed a material that had been sublimated during a recent eruption of Mount Vesuvius. (wikipedia.org)
In 1882, the Italian physicist Luigi Palmieri was analyzing lava from Mount Vesuvius when he noticed that same telltale yellow spectral line in his data - the first indication of helium on Earth. (aps.org)

Its abundance is similar to this in both the Sun and Jupiter, because of the very high nuclear binding energy (per nucleon) of helium-4, with respect to the next three elements after helium. (wikipedia.org)
Large amounts of new helium are created by nuclear fusion of hydrogen in stars. (wikipedia.org)
Helium is used to cool nuclear reactors and keeps rocket fuel cool during lift-off. (acs.org)
About three quarters of the sun is hydrogen, which is constantly fusing together and creating helium by a process called nuclear fusion. (nationalgeographic.org)
Helium is created through the process of nuclear fusion in the Sun, and in similar stars. (wikipedia.org)
Helium is used as a heat-transfer medium in some nuclear reactors that are cooled down by gas . (wikipedia.org)

In scientific research, the behavior of the two fluid phases of helium-4 (helium I and helium II) is important to researchers studying quantum mechanics (in particular the property of superfluidity) and to those looking at the phenomena, such as superconductivity, produced in matter near absolute zero. (wikipedia.org)
E939 (Helium) II exhibits the property called superfluidity: its viscosity, or resistance to flow, is so low that it has not been measured. (atamanchemicals.com)
Superfluidity in E939 (Helium)-4 was discovered by the Russian physicist Pyotr Leonidovich Kapitsa in the mid-1930s, and the same phenomenon in E939 (Helium)-3 was first observed by Douglas D. Osheroff, David M. Lee, and Robert C. Richardson of the United States in 1972. (atamanchemicals.com)

E939 (Helium) is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. (atamanchemicals.com)

In 1894, inspired by a lecture by Lord Rayleigh, Ramsey successfully isolated a new gas with no chemical reactivity-the first inert gas, which he dubbed argon, after the Greek word for "lazy. (aps.org)

The second most abundant element in the universe, helium is scarce on Earth. (acs.org)
Why is Helium so Scarce? (kobietaigolf.pl)

Jessica Spake, part of Exeter's Physics and Astronomy department said: "This is a really exciting discovery, particularly as helium was only detected in exoplanet atmospheres for the first time earlier this year. (exeter.ac.uk)
It was first solidified in 1926 by his student Willem Hendrik Keesom by subjecting helium to 25 atmospheres of pressure. (rinosafrizal.com)

For example, the element helium was first discovered in the sun through stellar spectroscopy, before it was found on earth. (suse.com)
In fact, helium was actually discovered on the sun through spectroscopy before it was found on Earth. (icr.org)
There is a global helium shortage, and every single act of wastefulness such as this not only makes the problem worse, it permanently removes the used helium from the Earth entirely. (forbes.com)
It will take hundreds of millions of years for Earth to replenish its helium stores naturally. (forbes.com)
When helium was discovered on Earth, its unique properties immediately lent itself to a myriad of scientific uses. (forbes.com)
Yet helium, despite being the second most abundant element in the Universe as a whole, is extremely limited in abundance here on the surface of the Earth. (forbes.com)
The English prefix geo-, which in Greek is γεω-, comes from the Greek noun η Γη (YEE), which means the Earth. (thenationalherald.com)
Ancient Greeks had the goddess Gaia (YEa), the Mother Earth. (thenationalherald.com)
There is very little helium on earth as nearly all present during and immediately after the earth's formation has long since been lost as it is so light. (rinosafrizal.com)
E939 (Helium) was detected in the sun by its spectral lines many years before it was found on Earth. (atamanchemicals.com)

My class is doing an expierment and i need to know a couple of things:how many electrons Helium has, 3 things where Helium could be found AROUND THE HOUSE, When it waws discovered, who discovered and the source of the element. (tabulka.cz)

At low enough temperatures, helium even becomes a superfluid: an ultra-rare state of matter that exhibits no friction or viscosity. (forbes.com)

Make your balloons float with helium! (kobietaigolf.pl)
Helium is used to fill balloons and airships because its density is lighter than air . (wikipedia.org)

Breathing too much helium can also cause long-term effects to vocal cords . (wikipedia.org)
Breathing neon will make your voice a higher pitch, but not nearly as much as helium will. (chemistrytalk.org)

Uncertainty about how private markets will distribute and price helium is a concern, especially to scientific researchers using small amounts of helium. (acs.org)

For instance, helium - the second most abundant element the entire universe - was discovered during a solar eclipse. (vox.com)
Why is Helium an Endangered Element? (acs.org)
my child is wondering what is the family of the element helium? (tabulka.cz)
Helium is a chemical element . (wikipedia.org)

Let's compare for a second that of normal helium fluid flow that has viscosity and thus friction near the walls of a tube or pipe. (lu.se)

This radiogenic helium is trapped with natural gas in concentrations as great as 7% by volume, from which it is extracted commercially by a low-temperature separation process called fractional distillation. (wikipedia.org)
Concentrations of helium in natural gas in the USA are as high as 7% and other good sources include natural gas from some sources in Poland. (rinosafrizal.com)

Deep-sea divers breathe a mixture of helium and oxygen, which helps them avoid the dangers of "the bends. (acs.org)
Helium is also used to condense hydrogen and oxygen to make rocket fuel . (wikipedia.org)

what family does helium belong to? (tabulka.cz)
what family does helium belong to, andd how much does it cost? (tabulka.cz)

The helium is in an extended cloud that is escaping from the planet, just as a helium balloon might escape from a person's hand. (exeter.ac.uk)
It is this phenomenon that makes HAT-P-11b so inflated, like a helium balloon. (exeter.ac.uk)
Therefore, a neon balloon would float, but it would rise slower than a helium balloon because helium is lighter. (chemistrytalk.org)

The first detection of helium earlier this year, led by University of Exeter researchers, opened a new window to observe the extreme atmospheric conditions reigning in the hottest exoplanets. (exeter.ac.uk)

This would not normally be carried out in the laboratory and helium is available commercially in cylinders under pressure. (rinosafrizal.com)

In 1903, large reserves of helium were found in natural gas fields in parts of the United States, by far the largest supplier of the gas today. (wikipedia.org)
And i still can't find it and i went to ask.com and chem4kids.com and none of them work and told me and so if u can as soon as posible replie baack and tell me who the first person who found helium was! (tabulka.cz)
to find who found it look at the main helium page. (tabulka.cz)
In the U.S., helium is found primarily in the Texas panhandle and Kansas. (acs.org)
Helium in recoverable quantities is found in only a few locations around the world, and these sources are being rapidly depleted. (acs.org)
helium is found in many thing. (tabulka.cz)
The value of physical movement was noted by the Greek physician Hippocrates: "If we could give every individual the right amount of nourishment and exercise, not too little, and not too much, we would have found the safest way to health. (cdc.gov)

People can breathe in helium: It makes their voices sound higher than it normally does. (wikipedia.org)

Ernest Rutherford named the radiation for the first three letters of the Greek alphabet. (symmetrymagazine.org)

As with any gas whose density differs from that of air, inhaling a small volume of helium temporarily changes the timbre and quality of the human voice. (wikipedia.org)
In 2017, the blockade of Qatar suddenly removed 30% of the world's helium supply from the market, causing prices to temporarily skyrocket. (acs.org)

Anatomy4

Organisms2

Diseases11

Chemicals and Drugs32

Analytical, Diagnostic and Therapeutic Techniques and Equipment54

Psychiatry and Psychology8

Phenomena and Processes47

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena14

Technology, Industry, Agriculture2

Humanities19

Information Science13

Named Groups3

Health Care37

Geographicals11

Hydrogen and helium8

Helios14

Protons5

Neutrons1

Gases4

18954

Isotope of helium1

Atmosphere11

Superfluid helium5

Nuclei2

Isotopes2

Presence of helium2

Discovery of helium2

Lockyer4

18686

Lightest5

Heike Kamer2

Cryogenics3

Radioactive decay6

Atoms4

Nucleus2

Liquid13

Spectral line2

Nuclear6

Superfluidity3

Colorless1

Argon1

Scarce2

Atmospheres2

Earth10

Electrons1

Temperatures1

Balloons2

Breathing2

Amounts1

Element4

Viscosity1

Concentrations2

Oxygen2

Belong2

Balloon3

Researchers1

Laboratory1

Found7

Breathe1

Letters of the Greek alphabet1

Temporarily2