STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Cosmic ray finding
Sep 05, 2013 (SPX)
The origin of cosmic rays in the universe has confounded scientists for decades. But a study by researchers using data from the IceCube Neutrino Observatory at ...
ESO's VLT provides new clues to help solve lithium mystery
Sep 03, 2013 (SPX)
An international team led by astronomers in Brazil has used ESO's Very Large Telescope to identify and study the oldest solar twin known to date. Located 250 li...
MOND predicts dwarf galaxy feature prior to observations
Sep 03, 2013 (SPX)
A modified law of gravity correctly predicted, in advance of the observations, the velocity dispersion -- the average speed of stars within a galaxy relative to...
Neutron stars in the computer cloud
Sep 03, 2013 (SPX)
The combined computing power of 200,000 private PCs helps astronomers take an inventory of the Milky Way. The Einstein@Home project connects home and office PCs...
Milky Way Gas Cloud Causes Multiple Images of Distant Quasar
Sep 03, 2013 (SPX)
For the first time, astronomers have seen the image of a distant quasar split into multiple images by the effects of a cloud of ionized gas in our own Milky Way...
Starbirth Surprisingly Energetic: ALMA observations give new insights into protostars
Aug 26, 2013 (SPX)
While observing a newborn star, astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope discovered twin jets of matter blasting out ...
A brighter method for measuring the surface gravity of distant stars
Aug 23, 2013 (SPX)
Astronomers have found a clever new way to slice and dice the flickering light from a distant star in a way that reveals the strength of gravity at its surface....
New theory points to 'zombie vortices' as key step in star formation
Aug 22, 2013 (SPX)
new theory by fluid dynamics experts at the University of California, Berkeley, shows how "zombie vortices" help lead to the birth of a new star. Reporting Aug....
'Groovy' hologram creates strange state of light at visible and invisible wavelengths
Aug 22, 2013 (SPX)
Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated that they can change the intensity, phase, and polarizatio...
Astronomers use 'flicker' of light to probe distant stars
Aug 21, 2013 (UPI)
U.S. astronomers say they've found a new way to analyze flickering light from a distant star to reveal the strength of gravity at its surface. Surface gravity i...
Newly found pulsar helps astronomers explore Milky Way's mysterious core
Aug 19, 2013 (SPX)
Astronomers have made an important measurement of the magnetic field emanating from a swirling disk of material surrounding the black hole at the center of our ...
A magnetar at the heart of our Milky Way
Aug 19, 2013 (SPX)
Astronomers have discovered a magnetar at the centre of our Milky Way. This pulsar has an extremely strong magnetic field and enables researchers to investigate...
Researchers Slow Light to a Crawl in Liquid Crystal Matrix
Aug 14, 2013 (SPX)
Light traveling in a vacuum is the Universe's ultimate speed demon, racing along at approximately 300,000 kilometers per second. Now scientists have found an ef...
Hubble Finds 'Smoking Gun' After Gamma-Ray Blast
Aug 07, 2013 (SPX)
These images taken by NASA's Hubble Space Telescope reveal a new type of stellar explosion produced from the merger of two compact objects. Hubble spotted the o...
When galaxies switch off
Aug 06, 2013 (ESA)
Some galaxies hit a point in their lives when their star formation is snuffed out, and they become "quenched". Quenched galaxies in the distant past appear to b...
Observations tie colliding neutron stars to 'kilonova' phenomenon
Aug 05, 2013 (UPI)
Astronomers say the Hubble Space Telescope has detected a Gamma-ray burst from an explosive event scientists have dubbed a kilonova. Detected using infrared lig...
Experimental quest to test Einstein's speed limit
Jul 31, 2013 (SPX)
Albert Einstein's assertion that there's an ultimate speed limit - the speed of light - has withstood countless tests over the past 100 years, but that didn't s...
Shedding New Light on the Brightest Objects in the Universe
Jul 29, 2013 (SPX)
Quasars are among the brightest, oldest, most distant, and most powerful objects in the universe. Powered by massive black holes at the center of most known gal...
Starburst wind keeps galaxies thin
Jul 29, 2013 (SPX)
Unlike humans, galaxies don't have an obesity problem. In fact there are far fewer galaxies at the most massive end of the galactic scale than expected and scie...
World's largest gamma telescope to study cosmic rays from Siberia
Jul 26, 2013 (SPX)
A desolate site in Siberia will soon become the forefront of international research into the secrets of the Universe, after the world's biggest gamma ray detect...
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