STELLAR CHEMISTRY

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More Than Meets the Eye - Delta Orionis in Orion's Belt
Nov 16, 2015 (SPX)
One of the most recognizable constellations in the sky is Orion, the Hunter. Among Orion's best-known features is the "belt," consisting of three bright stars i...
Fermi Satellite Detects First Gamma-Ray Pulsar in Another Galaxy
Nov 16, 2015 (SPX)
Researchers using NASA's Fermi Gamma-ray Space Telescope have discovered the first gamma-ray pulsar in a galaxy other than our own. The object sets a new record...
The glowing halo of a zombie star
Nov 15, 2015 (SPX)
Led by Christopher Manser, a PhD student at the University of Warwick in the United Kingdom, the team used data from ESO's Very Large Telescope (VLT) and other ...
Oldest stars found near Milky Way center
Nov 15, 2015 (SPX)
Astronomers have discovered the oldest known stars, dating from before the Milky Way Galaxy formed, when the Universe was just 300 million years old. The stars,...
Close-up view of galaxies prompts re-think on star formation
Nov 13, 2015 (SPX)
Astronomers have identified for the first time one of the key components of many stars, a study suggests. A type of gas found in the voids between galaxies - kn...
Clues to the formation of magnetic fields around stars and galaxies
Nov 10, 2015 (SPX)
An enduring astronomical mystery is how stars and galaxies acquire their magnetic fields. Physicists Jonathan Squire and Amitava Bhattacharjee at the U.S. Depar...
Dark Matter and Particle Acceleration in Near Space
Nov 10, 2015 (SPX)
Peering into darkness can strike fear into the hearts of some, but a new space telescope will soon peer into the darkness of "near space" (within a few thousand...
Unlocking the mysteries of 'little starlets'
Nov 09, 2015 (SPX)
Despite being discovered 20 years ago, very little is known about brown dwarfs - notably why they fail to grow into stars. Scientists say part of the answer pro...
Swift Spots its Thousandth Gamma-ray Burst
Nov 09, 2015 (SPX)
NASA's Swift spacecraft has detected its 1,000th gamma-ray burst (GRB). GRBs are the most powerful explosions in the universe, typically associated with the col...
Supernova twins: Making standard candles more standard than ever
Nov 06, 2015 (SPX)
Less than 20 years ago the world learned that the universe is expanding ever faster, propelled by dark energy. The discovery was made possible by Type Ia supern...
The fading cinders of some of our galaxy's earliest homesteaders
Nov 06, 2015 (SPX)
Using NASA's Hubble Space Telescope to conduct a "cosmic archaeological dig" at the very heart of our Milky Way galaxy, astronomers have uncovered the blueprint...
Growing pains in a cluster of protostars
Nov 05, 2015 (SPX)
A Yale-led study has found a cluster of young stars that develop in distinct, episodic spurts. It is the first time astronomers have seen such a growth pattern ...
One size fits all when it comes to unravelling how stars form
Nov 02, 2015 (SPX)
Observations led by astronomers at the University of Leeds have shown for the first time that a massive star, 25 times the mass of the Sun, is forming in a simi...
VISTA discovers new component of Milky Way
Oct 29, 2015 (SPX)
The Vista Variables in the Via Lactea Survey (VVV) [1] ESO public survey is using the VISTA telescope at the Paranal Observatory to take multiple images at diff...
Astrophysicists produce the first age map of the halo of the Milky Way
Oct 29, 2015 (SPX)
University of Notre Dame astronomer Timothy Beers and his Galactic Archaeology group, which includes Notre Dame astronomers Daniela Carollo and Vinicius Placco,...
Artificial intelligence finds messy galaxies
Oct 28, 2015 (SPX)
An astrophysics student at The Australian National University (ANU) has turned to artificial intelligence to help her to see into the hearts of galaxies. PhD st...
Lobster-Inspired Mirror Chosen for New Gamma-Ray-Burst Mission
Oct 27, 2015 (SPX)
The University of Leicester has announced the signature of a contract to develop an innovative new type of X-ray mirror for a telescope to be flown on an orbiti...
Suzaku Finds Common Chemical Makeup at Largest Cosmic Scales
Oct 27, 2015 (SPX)
A new survey of hot, X-ray-emitting gas in the Virgo Galaxy Cluster shows that the elements needed to make stars, planets and people were evenly distributed acr...
Suzaku satellite reveals the average chemical composition of our Universe
Oct 23, 2015 (SPX)
All of the chemical elements that are heavier than carbon, the oxygen we breathe, the silicon that makes up the sand on the beach, were produced inside stars th...
Looking at the earliest galaxies
Oct 23, 2015 (SPX)
Before light travelled across it, the universe was a dark place. For about a billion years after the Big Bang, the cosmos was cloaked in a thick fog of hydrogen...
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