STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Milky Way could have 100 billion brown dwarfs
Jul 07, 2017 (SPX)
Brown dwarfs are objects intermediate in mass between stars and planets, with masses too low to sustain stable hydrogen fusion in their core, the hallmark of st...
Researchers show how to make your own supernova
Jul 07, 2017 (SPX)
Working in collaboration with Imperial College, London, and AWE Aldermaston the team, led in Oxford by Professor Gianluca Gregori of the Department of Physics, ...
Transfer of atomic mass with a photon solves the momentum paradox of light
Jul 07, 2017 (SPX)
The novel discovery solves the centennial momentum paradox of light. In the literature, there has existed two different values for the momentum of light in the ...
Dazzling spiral with an active heart
Jul 07, 2017 (SPX)
This picturesque spiral galaxy appears to be tranquil, but there is more to it than meets the eye. Messier 77 (also known as NGC 1068) is one of the closest act...
Hubble eyes a powerful galaxy with a password name
Jul 06, 2017 (SPX)
Such a name may seem like a random jumble of numbers and letters, but like all galactic epithets it has a distinct meaning. This galaxy, for example, was detect...
Chandra Samples Galactic Goulash in Arp 299
Jul 06, 2017 (SPX)
Arp 299 is a system located about 140 million light-years from Earth. It contains two galaxies that are merging, creating a partially blended mix of stars from ...
Artificial brain helps GAIA catch speeding stars
Jul 06, 2017 (ESA)
Our galactic home, the Milky Way, houses more than a hundred billion stars, all kept together by gravity. Most are located in a flattened structure - the galact...
A Rare Chance to See Galaxy Demise
Jul 06, 2017 (SPX)
The Little Cub galaxy - so called because it sits in the Ursa Major or Great Bear constellation - is being stripped of the gas needed to continue forming stars ...
SKA South Africa sees first light with addition of Ghana baseline antenna
Jul 06, 2017 (SPX)
Ghana is the first partner country of the African Very Large Baseline Interferometer (VLBI) Network (AVN) to complete the conversion of a communications antenna...
Flow of Material Observed Around a Young Eruptive Star
Jul 06, 2017 (SPX)
New planets may be born in the universe every second. Among the many new celestial bodies, the most interesting ones are those similar to our Earth, especially ...
Tiny 'motors' are driven by light
Jul 03, 2017 (SPX)
Now, a team at MIT and elsewhere has pushed through another boundary in the quest for such exotic contraptions, by creating in simulations the first system in w...
The First Galaxies Were Even More Violent Than Expected
Jun 30, 2017 (SPX)
The results will be presented this Friday at the annual meeting of the European Astronomical Society, EWASS 2017, in Prague, Czech Republic by Norbert Werner, l...
Magnetic memories of a metal world
Jun 28, 2017 (SPX)
A number of powerful impacts stripped the planet of its rocky mantle, leaving an exposed nickel-iron core. After further blows, break-away pieces of metal were ...
Dutch astronomers discover recipe to make cosmic glycerol
Jun 28, 2017 (SPX)
In recent years more and more complex molecules have been identified in space. Their formation schemes are still under debate. Gleb Fedoseev, now a postdoc at t...
'Pompom' Stars May Solve Quasar Puzzle
Jun 28, 2017 (SPX)
Dr. Mark Walker from Manly Astrophysics along with collaborators at Caltech, Manly Astrophysics and the Commonwealth Scientific and Industrial Research Organisa...
Does dark matter annihilate quicker in the Milky Way?
Jun 28, 2017 (SPX)
Anirban Das, with his advisor Dr. Basudeb Dasgupta, pursued this possibility because almost all observations made so far indicate no signals of dark matter anni...
Star's birth may have triggered another star birth, astronomers say
Jun 28, 2017 (SPX)
"The orientation of the jet, the speed of its material, and the distance all are right for this scenario," said Mayra Osorio, of the Astrophysical Institute of ...
Unexpected rotation in a stone-dead galaxy
Jun 28, 2017 (SPX)
The galaxy has been named MACS2129-1, and the upcoming issue of the journal Nature will run a scientific article describing how the researchers detected the gal...
Radioactive Elements in Cas A Suggest Neutrino-Driven Explosion
Jun 28, 2017 (SPX)
Using elaborate computer simulations, a team of researchers from the Max Planck Institute for Astrophysics (MPA) and RIKEN in Japan were able to explain the rec...
Hubble captures massive dead disk galaxy that challenges theories of galaxy evolution
Jun 27, 2017 (SPX)
Finding such a galaxy early in the history of the universe challenges the current understanding of how massive galaxies form and evolve, say researchers. When H...
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