STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

A cool discovery about the Sun's next-door twin
Feb 21, 2013 (ESA)
ESA's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun...
Searching for the Solar System's Chemical Recipe
Feb 21, 2013 (SPX)
By studying the origins of different isotope ratios among the elements that make up today's smorgasbord of planets, moons, comets, asteroids, and interplanetary...
Gaia Will Reveal Secrets of Ultra-Cool Dwarfs
Feb 19, 2013 (SPX)
Among the hundred billion stars which can be observed in the Milky Way, there is a group of stars, the so-named ultra-cool dwarfs, defined as stars with a tempe...
A drop of ink on the luminous sky
Feb 19, 2013 (SPX)
This part of the constellation of Sagittarius (The Archer) is one of the richest star fields in the whole sky - the Large Sagittarius Star Cloud. The huge numbe...
Bern Simulation Helps Understand Origin Of Solar System
Feb 18, 2013 (SPX)
Simulations boost the significance of image and measurement data from space missions: based on the example of an asteroid, Bernese astrophysicist Martin Jutzi s...
Scientists sense breakthroughs in dark-matter mystery
Feb 18, 2013 (AFP)
For decades, the strange substance called dark matter has teased physicists, challenging conventional notions of the cosmos. Today, though, scientists believe t...
Cosmic rays come from exploding stars
Feb 15, 2013 (SPX)
A new study confirms what scientists have long suspected: Cosmic rays - energetic particles that pelt Earth from all directions - are born in the violent afterm...
MOND used to predict key property in Andromeda's satellites
Feb 15, 2013 (SPX)
Using modified laws of gravity, researchers from Case Western Reserve University and Weizmann Institute of Science closely predicted a key property measured in ...
Searching for magnetic monopoles in polar rocks
Feb 15, 2013 (SPX)
The first search for magnetic monopoles in mantle-derived polar igneous rocks - thought to be likely to contain a higher ratio of monopoles to matter - has been...
JPL to Lead U.S. Science Team for Dark Energy Mission
Feb 15, 2013 (JPL)
The European Space Agency (ESA) has selected three NASA-nominated science teams to participate in their planned Euclid mission, including one team led by NASA's...
Clues to the mysterious origin of cosmic rays
Feb 15, 2013 (SPX)
In the year 1006 a new star was seen in the southern skies and widely recorded around the world. It was many times brighter than the planet Venus and may even h...
A Valentine Rose
Feb 15, 2013 (SPX)
This image of a planetary nebula, which may suggest a rose to some, was obtained with the wide-field view of the National Optical Astronomy Observatory (NOAO) M...
Euclid Could Solve The Dark Mysteries Of The Universe
Feb 14, 2013 (SPX)
Johns Hopkins astrophysicists Brice Menard and Charles L. Bennett have been appointed to the Euclid Consortium, the international team of scientists overseeing ...
Cosmic ray mystery lifted in new findings
Feb 14, 2013 (AFP)
Cosmic rays -- fast-moving particles that constantly pummel our planet -- come from the explosion of supernovae, new research confirmed Thursday, resolving an a...
Extremely bright supernovae may break the Chandrasekhar limit
Feb 14, 2013 (SPX)
White dwarfs forming in extreme magnetic fields could be stabilized, allowing them to get bigger before they explode, leading to a brighter bang when they final...
Observed: The outburst before the blast
Feb 12, 2013 (SPX)
Before they go all-out supernova, certain large stars undergo a sort of "mini-explosion," throwing a good-sized chunk of their material off into space. Though s...
NASA Telescopes Discover Strobe-Like Flashes in Young Stars
Feb 12, 2013 (SPX)
Two of NASA's great observatories, the Spitzer and Hubble space telescopes, have teamed up to uncover a mysterious infant star that behaves like a strobe light....
A massive stellar burst, before the supernova
Feb 11, 2013 (SPX)
An automated supernova hunt is shedding new light on the death sequence of massive stars-specifically, the kind that self-destruct in Type IIn supernova explosi...
Forecasting a supernova explosion
Feb 11, 2013 (SPX)
Type II supernovae are formed when massive stars collapse, initiating giant explosions. It is thought that stars emit a burst of mass as a precursor to the supe...
The wings of the Seagull Nebula
Feb 11, 2013 (SPX)
Running along the border between the constellations of Canis Major (The Great Dog) and Monoceros (The Unicorn) in the southern sky, the Seagull Nebula is a huge...
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