STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

ALMA and VLT Probe Surprisingly Dusty and Evolved Galaxy
Mar 03, 2015 (SPX)
A team of astronomers who set out to observe one of the youngest and most remote galaxies ever found have been surprised to discover a far more evolved system t...
An Old-Looking Galaxy in a Young Universe
Mar 03, 2015 (SPX)
One of the most distant galaxies ever observed has provided astronomers with the first detection of dust in such a remote star-forming system and tantalizing ev...
Living on the Edge: Stars Found Far from Galaxy Center
Mar 02, 2015 (JPL)
Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have found a cluster of stars forming at the very edge of our Milky Way galaxy....
The Strange Case of the Missing Dwarf
Feb 26, 2015 (SPX)
The new SPHERE instrument on ESO's Very Large Telescope has been used to search for a brown dwarf expected to be orbiting the unusual double star V471 Tauri. SP...
The Cosmic Chemistry That Gave Rise to Water
Feb 25, 2015 (SPX)
Earth's water has a mysterious past stretching back to the primordial clouds of gas that birthed the Sun and other stars. By using telescopes and computer simul...
The strange case of the missing dwarf
Feb 20, 2015 (SPX)
Some pairs of stars consist of two normal stars with slightly different masses. When the star of slightly higher mass ages and expands to become a red giant, ma...
Stars akin to the sun also explode when they die
Feb 20, 2015 (SPX)
The birth of planetary nebulae, resulting from the death of low and intermediate mass stars, is usually thought of as a slow process, in contrast with the inten...
Does dark matter cause mass extinctions and geologic upheavals
Feb 20, 2015 (SPX)
Research by New York University Biology Professor Michael Rampino concludes that Earth's infrequent but predictable path around and through our Galaxy's disc ma...
Dark matter guides growth of supermassive black holes
Feb 20, 2015 (SPX)
Every massive galaxy has a black hole at its center, and the heftier the galaxy, the bigger its black hole. But why are the two related? After all, the black ho...
Why do starburst galaxies 'burst'?
Feb 20, 2015 (SPX)
Starburst galaxies transmute gas into new stars at a dizzying pace - up to 1,000 times faster than typical spiral galaxies like the Milky Way. To help understan...
Close Encounters of a Scholz Kind
Feb 17, 2015 (SPX)
group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed t...
Exploded Star Blooms Like a Cosmic Flower
Feb 15, 2015 (SPX)
Because the debris fields of exploded stars, known as supernova remnants, are very hot, energetic, and glow brightly in X-ray light, NASA's Chandra X-ray Observ...
Mismatched twin stars spotted in the delivery room
Feb 15, 2015 (SPX)
The majority of stars in our galaxy come in pairs. In particular, the most massive stars usually have a companion. These fraternal twins tend to be somewhat equ...
VLA finds unexpected 'storm' at galaxy's core
Feb 12, 2015 (SPX)
Astronomers using the National Science Foundation's Very Large Array (VLA) found surprisingly energetic activity in what they otherwise considered a "boring" ga...
In a first, astronomers catch a multiple star system in the process of forming
Feb 12, 2015 (SPX)
This week an international team of astronomers reports the first multiple-star system to be observed during the earliest stage of formation. This finding suppor...
Birth of a star quartet
Feb 12, 2015 (SPX)
An international team of astrophysicists has witnessed a unique event: for the first time, researchers have discovered the formation of a quadruple star system ...
Stellar partnership doomed to end in catastrophe
Feb 11, 2015 (SPX)
A team of astronomers, led by Miguel Santander-Garcia, have discovered a close pair of white dwarf stars - tiny, extremely dense stellar remnants - that have a ...
Lifting the veil on a dark galaxy
Feb 11, 2015 (SPX)
A cluster of young, pulsating stars discovered in the far side of the Milky Way may mark the location of a previously unseen dark-matter dominated dwarf galaxy ...
Dark matter at the heart of our galaxy
Feb 10, 2015 (SPX)
The ubiquitous presence of dark matter in the universe is today a central tenet in modern cosmology and astrophysics. Its existence in galaxies was robustly est...
The earliest stages of star formation in the Ophiuchus molecular cloud
Feb 09, 2015 (SPX)
Molecular cores are dense condensations within molecular clouds, in which stars are born. Guoyin Zhang et al. obtained 350 um dust continuum data using the SHAR...
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