STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Cosmic grains of dust formed in supernova explosion
Jul 11, 2014 (SPX)
There are billions of stars and planets in the universe. A star is glowing sphere of gas, while planets like Earth are made up of solids. The planets are formed...
A hotspot for powerful cosmic rays
Jul 09, 2014 (SPX)
An observatory run by the University of Utah found a "hotspot" beneath the Big Dipper emitting a disproportionate number of the highest-energy cosmic rays. The ...
A Stellar Birthplace Shaped and Destroyed by Energetic Offspring
Jul 08, 2014 (SPX)
The little-known cloud of cosmic gas and dust called Gum 15 is the birthplace and home of hot young stars. Beautiful and deadly, these stars mould the appearanc...
Spectral 'ruler' is first standardized way to measure stars
Jul 08, 2014 (SPX)
Previously, as with the longitude problem 300 years earlier for fixing locations on Earth, there was no unified system of reference for calibrating the heavens....
Reinterpreting dark matter
Jul 08, 2014 (SPX)
Tom Broadhurst, an Ikerbasque researcher at the UPV/EHU's Department of Theoretical Physics, has participated alongside scientists of the National Taiwan Univer...
Athena to study the hot and energetic Universe
Jul 08, 2014 (ESA)
ESA has selected the Athena advanced telescope for high-energy astrophysics as its second 'Large-class' science mission. The observatory will study the hot and ...
Puzzling X-rays point to dark matter
Jul 03, 2014 (ESA)
Astronomers using ESA and NASA high-energy observatories have discovered a tantalising clue that hints at an elusive ingredient of our Universe: dark matter. Al...
Hubble Finds Dwarf Galaxies Formed Large Share of Universe's Stars
Jun 20, 2014 (SPX)
They may be little, but they pack a big star-forming punch. New observations from NASA's Hubble Space Telescope show small galaxies, also known as dwarf galaxie...
New molecules around old stars
Jun 19, 2014 (ESA)
Using ESA's Herschel space observatory, astronomers have discovered that a molecule vital for creating water exists in the burning embers of dying Sun-like star...
Trapping light: a long lifetime in a very small place
Jun 17, 2014 (SPX)
Physicists at the University of Rochester have created a silicon nanocavity that allows light to be trapped longer than in other similarly-sized optical cavitie...
Cosmic Collision In The Bullet Group
Jun 16, 2014 (ESA)
Galaxies are not as isolated as they at first glance may seem; on a cosmic scale they congregate in clumps along with dark matter and hot gas. The colourful blo...
Herschel Sees Budding Stars and a Giant, Strange Ring
Jun 13, 2014 (JPL)
The Herschel Space Observatory has uncovered a weird ring of dusty material while obtaining one of the sharpest scans to date of a huge cloud of gas and dust, c...
Mining Data Archives Yields Haul of Red Nuggets
Jun 12, 2014 (SPX)
The world of astronomy has changed. An astronomer used to have to travel to a remote location and endure long, cold nights, patiently guiding a telescope to col...
Nearby satellite galaxies don't fit standard model
Jun 12, 2014 (SPX)
Satellite dwarf galaxies at the edges of the Milky Way and neighboring Andromeda defy the accepted model of galaxy formation, and recent attempts to pigeon-hole...
Nearby satellite galaxies challenge standard model of galaxy formation
Jun 12, 2014 (SPX)
Satellite dwarf galaxies at the edges of the Milky Way and neighbouring Andromeda galaxies don't fit the accepted model of galaxy formation, and recent attempts...
Gigantic Explosion Buried in Dust: ALMA Probes Environment around Gamma Ray Bursts
Jun 12, 2014 (SPX)
Using the Atacama Large Millimeter/submillimeter Array (ALMA), a team of researchers reports the first-ever detection of molecular gas -- the fuel for star form...
Gigantic explosions buried in dust
Jun 12, 2014 (SPX)
Observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have for the first time directly mapped out the molecular gas and dust in the host gal...
Astronomers discover first Thorne-Zytkow object, a bizarre type of hybrid star
Jun 05, 2014 (SPX)
In a discovery decades in the making, scientists have detected the first of a "theoretical" class of stars first proposed in 1975 by physicist Kip Thorne and as...
A violent, complex scene of colliding galaxy clusters
Jun 04, 2014 (SPX)
Astronomers using the Karl G. Jansky Very Large Array (VLA) and the Chandra X-Ray Observatory have produced a spectacular image revealing new details of violent...
Astronomers discover ancient worlds from another galaxy next door
Jun 04, 2014 (SPX)
An international team of scientists, led by astronomers at Queen Mary University of London, report of two new planets orbiting Kapteyn's star, one of the oldest...
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