• 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)
  • Janssen recorded the helium spectral line during the solar eclipse of 1868, while Lockyer observed it from Britain. (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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • 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)
  • The key to increasing the efficiency of the nuclear fuel was to add in trace amounts of helium-3, a stable isotope of helium that only has one neutron rather than two. (peacefulscience.org)
  • Helium only accounts for 0.00052% of the Earth's atmosphere and the majority of the helium harvested comes from beneath the ground being extracted from minerals or tapped gas deposits. (universetoday.com)
  • 9. Helium makes up 0.0005 percent of the volume of Earth's atmosphere. (thefactfile.org)
  • 17. If helium escapes our atmosphere because of its lightness, why is it then present in the earth's atmosphere? (thefactfile.org)
  • 21. On earth's atmosphere, there is one atom of helium-3 for every million atoms of helium-4. (thefactfile.org)
  • Jupiter's atmosphere is mostly clear and colorless hydrogen and helium , gases that are not thought to contribute to the gold and brown colors. (apod.com)
  • 5. Helium is colorless, odorless, and non-toxic. (thefactfile.org)
  • 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)
  • 4. Helium was formally discovered by Nils Abraham and Per Teodor Cleve who found helium coming out of uranium ore. (thefactfile.org)
  • During this process, two hydrogen atoms are fused together to form one helium atom. (wikipedia.org)
  • This is due to the fusion reaction that powers most stars fusing single hydrogen atoms to create helium atoms. (universetoday.com)
  • Due to the extreme temperatures in the Sun, hydrogen atoms fuse and form helium. (thefactfile.org)
  • Go through the entire Periodic Table on Wikipedia, adding "nano" to every element - nano-hydrogen, nano-helium, nano-lithium, and so forth. (oneradionetwork.com)
  • https://www.airbus.com/en/newsroom/press-releases/2022-12-airbus-and-cern-to-partner-on-superconducting-technologies-for 'Airbus UpNext, a wholly owned subsidiary of Airbus, and CERN, the European Laboratory for Particle Physics, are launching a project to evaluate how superconductivity can. (physicsforums.com)
  • Helium is used to fill balloons and airships because its density is lighter than air . (wikipedia.org)
  • The two primary lifting gases used by airships have been hydrogen and helium. (kobietaigolf.pl)
  • This actually explains why US airships (filled with Helium) were not flying to Europe and German Zeppelins (Hydrogen2) did many trans-Atlantic trips. (bbblimp.com)
  • This helium-4 binding energy also accounts for why it is a product of both nuclear fusion and radioactive decay. (wikipedia.org)
  • Large amounts of new helium are created by nuclear fusion of hydrogen in stars. (wikipedia.org)
  • Helium is created through the process of nuclear fusion in the Sun, and in similar stars. (wikipedia.org)
  • A team of three undergraduate physics students from Missouri University of Science and Technology have achieved nuclear fusion of deuterium into helium. (mst.edu)
  • One of its goals is to locate deposits of helium-3 that are worth trillions of dollars, because it could be a fuel for nuclear fusion energy to generate electricity or propel a rocket. (peacefulscience.org)
  • Turns out that Helium-3 might make nuclear fusion viable much sooner than we once thought. (peacefulscience.org)
  • One of many problems associated with using helium-3 to create energy via nuclear fusion is that, at least on the Earth, helium-3 is very, very rare indeed. (peacefulscience.org)
  • This helium-3 could potentially be extracted by heating the lunar dust to around 600 degrees C, before bringing it back to the Earth to fuel a new generation of nuclear fusion power plants. (peacefulscience.org)
  • The collision bound them together to form a new nucleus of helium and a stray neutron. (mst.edu)
  • Fusion, as to my understanding, requires both tritium and deuterium to fuse, which in turn created helium and the extra neutron. (mst.edu)
  • But if you don't want to release tons of energy in a confined space (some people call this a bomb) then you can use the D-D reaction to make helium-3 and a neutron. (mst.edu)
  • Helium is the second lightest element in the known universe. (universetoday.com)
  • When things get too heavy just call me helium, the lightest known gas to man. (kobietaigolf.pl)
  • 3. Helium was first detected on earth by Luigi Palmieri, an Italian physicist who spotted Helium's spectra line when analyzing volcanic sublimate after the eruption of Mount Vesuvius. (thefactfile.org)
  • Terrestrial helium is a non-renewable resource because once released into the atmosphere, it promptly escapes into space. (wikipedia.org)
  • The MOL was planned to use a helium-oxygen atmosphere. (adactio.com)
  • Our atmosphere prevents any of this helium-3 arriving on the Earth. (peacefulscience.org)
  • However, as it does not have an atmosphere, there is nothing to stop helium-3 arriving on the surface of the Moon and being absorbed by the lunar soil. (peacefulscience.org)
  • Helium is mixed with oxygen and other gases for deep underwater diving because it does not cause nitrogen narcosis . (wikipedia.org)
  • Helium is extracted from natural gases through fractional distillation, a process that is used to isolate helium from other elements. (thefactfile.org)
  • 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)
  • The two sources of Helium on earth are radioactive decay of some of the elements on earth, and cosmic rays which are packed with helium nuclei (around 9 percent of cosmic rays comprise helium). (thefactfile.org)
  • There are 9 isotopes of helium, only two of which are stable. (wikipedia.org)
  • 19. Of the eight known helium isotopes, only two are stable (helium-3 and helium-4). (thefactfile.org)
  • Radioactive decay that stabilizes a nucleus by emitting an alpha particle , the nucleus of a helium atom (He 2+ ). (citizendium.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)
  • On Earth the majority of helium found comes from radioactive decay. (universetoday.com)
  • For this reason radioactive minerals in the lithosphere like uranium are prime sources for helium. (universetoday.com)
  • 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)
  • This may not sound surprising at first, but in contrast to the very early universe, elements that are heavier than helium are comparatively rare. (iflscience.com)
  • 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)
  • 18. Large-scale helium production entails extracting the element from natural gas through fractional distillation. (thefactfile.org)
  • Make your balloons float with helium! (kobietaigolf.pl)
  • Moreover, the usage of helium in balloons only makes up for a marginal part of its overall usage, most of it goes to many other applications that we will explore in this article. (thefactfile.org)
  • They are thin-walled steel, not like the heavy gas cylinders used in welding, and only contain enough helium for about 30 balloons. (theodoregray.com)
  • For example, "heli-arc" welding, which uses a stream of inert gas to prevent oxidation of metal as it is being welded, is named after helium even though most heli-arc welding is done with argon because it's cheaper. (theodoregray.com)
  • Helium does not usually react with anything else. (wikipedia.org)
  • Helium is a noble gas, which means it doesn't react with anything for all practical intents and purposes. (theodoregray.com)
  • 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)
  • Pierre Janssen (top) and Joseph Norman Lockyer (bottom), discovers of helium. (aps.org)
  • Here's an article about the discovery of Helium , and here's an article about composition of the Sun . (universetoday.com)
  • 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)
  • Helium is also used to condense hydrogen and oxygen to make rocket fuel . (wikipedia.org)
  • When we perform a spectroscopic analysis of the Sun, we find that not only do we have very common elements such as hydrogen and helium present within, but there are also heavier elements such as oxygen and carbon. (iflscience.com)
  • That's right: instead of air (21% oxygen, 79% nitrogen), the spies in the sky would be breathing heliox (21% oxygen, 79% helium). (adactio.com)
  • 8. Helium atoms also fuse to form carbon, silicon, and oxygen . (thefactfile.org)
  • As a result, it has been estimated that there are around 1,100,000 metric tonnes of helium-3 on the surface of the Moon down to a depth of a few metres. (peacefulscience.org)
  • Helium is a chemical element . (wikipedia.org)
  • Helium is an element that fits this scenario. (universetoday.com)
  • Lockyer dubbed the new element helium, after the Greek word for the sun (helios). (aps.org)
  • Our second competitor here is Helium - Helium is a chemical element with the symbol He and atomic number 2. (bbblimp.com)
  • Helium is the second most common element in the universe, representing about 10% of the total matter. (theodoregray.com)
  • Going helium additionally reduces the power consumption of such a rack by up to 456 W. An increase of storage capacity amid reduction of power consumption not only maximizes data storage capacities of a particular facility, but also shrinks its total cost of ownership (TCO), an important metric for companies with multiple large datacenters. (anandtech.com)
  • Helium is called a noble gas , because it does not regularly mix with other chemicals and form new compounds . (wikipedia.org)
  • While helium is very common in the universe, most of it is in the stars: on earth it is actually quite rare. (theodoregray.com)
  • Like mentioned before Helium is rare on Earth but there are places where it is readily found. (universetoday.com)
  • On Earth there are key locations where concentrated helium can be harvested. (universetoday.com)
  • If you'd like more info about helium on Earth, check out NASA's Solar System Exploration Guide on Earth . (universetoday.com)
  • 15. Helium rarely occurs naturally on earth. (thefactfile.org)
  • Written content that originated in part from Wikipedia is also available under Creative Commons Attribution-NonCommercial-ShareAlike . (citizendium.org)
  • The interesting thing is that thanks to these deposits the world's demand for helium is being met regularly. (universetoday.com)
  • Sensors for humidity, temperature and helium pressure ensure that the helium-filled drive is always being monitored for reliable operation. (anandtech.com)
  • In 1960, Joseph Kittinger reached a speed of 714 mph after jumping from a helium balloon at an altitude of 102,800 feet. (kottke.org)
  • We have written many articles about Helium for Universe Today. (universetoday.com)
  • 10. Most of the helium in our universe (helium-4) was formed in the about three minutes that followed the big bang, thanks to Big Bang nucleosynthesis. (thefactfile.org)
  • 11. Of all the chemical elements in the observable universe, the melting point and boiling point of helium are the lowest. (thefactfile.org)
  • If you have an arbitrage website or authoritative website and just need backfill content then sites like Helium might fit your needs, but if you are looking for higher quality writers search around for stories about how Gawker got built , search for thought topical leaders in the blogosphere and offer them similar salaries, and perhaps post an ad on Craigslist or the Problogger Job Boards . (seobook.com)
  • If you look at space the majority of helium is in stars and the interstellar medium. (universetoday.com)
  • Besides, a huge amount of helium is created in stars through proton-to-proton chain reactions as well as the CNO cycle (a part of stellar nucleosynthesis). (thefactfile.org)
  • 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)
  • Natural gas can be comprised of up to 7% helium. (thefactfile.org)
  • However, helium has a red-orange glow when placed in an electric field. (wikipedia.org)
  • 6. When ionized, Helium gives out a pale-yellow glow. (thefactfile.org)
  • After eight years and well over one million articles, we regret to announce that Helium Publishing will be closing. (archiveteam.org)
  • During this period, if you have an existing Account, you will continue to have access to your Account and accrue potential Minimum Amount Threshold, but you will not be able to add more articles to the Helium Publishing 360 sites or create a new Account. (archiveteam.org)
  • The HYDROGEN mind map summary was created by WikiSummarizer application based on the Wikipedia article about HYDROGEN. (biggerplate.com)
  • The HELIUM mind map summary was created by WikiSummarizer application based on the Wikipedia article about HELIUM. (biggerplate.com)
  • The NITROGEN mind map summary was created by WikiSummarizer application based on the Wikipedia article about NITROGEN. (biggerplate.com)
  • The FLUORINE mind map summary was created by WikiSummarizer application based on the Wikipedia article about FLUORINE. (biggerplate.com)
  • Helium announced the launch of their article marketplace. (seobook.com)