STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

University of Toronto physicists harness neglected properties of light
Feb 17, 2017 (SPX)
University of Toronto (U of T) researchers have demonstrated a way to increase the resolution of microscopes and telescopes beyond long-accepted limitations by ...
Hubble sees spiral in Andromeda
Feb 17, 2017 (SPX)
The Andromeda constellation is one of the 88 modern constellations and should not be confused with our neighboring Andromeda Galaxy. The Andromeda constellation...
Research team finds radial acceleration relation in all common types of galaxies
Feb 17, 2017 (SPX)
The distribution of normal matter precisely determines gravitational acceleration in all common types of galaxies, a team led by Case Western Reserve University...
Astronomers propose a cell phone search for galactic fast radio bursts
Feb 15, 2017 (SPX)
Fast radio bursts (FRBs) are brief spurts of radio emission, lasting just one-thousandth of a second, whose origins are mysterious. Fewer than two dozen have be...
No close partner for young, massive stars in Omega Nebula
Feb 15, 2017 (SPX)
Astronomers from Leuven and Amsterdam have discovered that massive stars in the star forming region M17 (the Omega Nebula) are - against expectations - not part...
Rare pulsating star 7,000 light years away is 1 of only 7 in Milky Way
Feb 15, 2017 (SPX)
Astronomers are reporting a rare star as big - or bigger - than the Earth's sun and that is expanding and contracting in a unique pattern in three different dir...
Spitzer hears stellar heartbeat from planetary companion
Feb 15, 2017 (JPL)
A planet and a star are having a tumultuous romance that can be detected from 370 light-years away. NASA's Spitzer Space Telescope has detected unusual pulsatio...
Scientists make huge dataset of nearby stars available to public
Feb 14, 2017 (SPX)
The search for planets beyond our solar system is about to gain some new recruits. Today, a team that includes MIT and is led by the Carnegie Institution for Sc...
New method to detect ultrasound with light
Feb 14, 2017 (SPX)
A tiny, transparent device that can fit into a contact lens has a bright future, potentially helping a range of scientific endeavors from biomedicine to geology...
NASA Gives the Webb Telescope a Shakedown
Feb 14, 2017 (SPX)
Scientists and engineers had many challenges in designing the components of NASA's James Webb Space Telescope and then had to custom design and build ways to te...
New dark matter detector in a race to finish line
Feb 14, 2017 (SPX)
The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally...
Pure iron grains are rare in the universe
Feb 10, 2017 (SPX)
Pure iron grains in interstellar space are far rarer than previously thought, shedding new light on the evolution history of matters in the universe. Scientists...
Hubble witnesses massive comet-like object pollute atmosphere of a white dwarf
Feb 10, 2017 (SPX)
For the first time, scientists using NASA's Hubble Space Telescope have witnessed a massive object with the makeup of a comet being ripped apart and scattered i...
Protostar displays a strange geometry
Feb 10, 2017 (SPX)
One of the big puzzles in astrophysics is how stars like the sun manage to form from collapsing molecular clouds in star-forming regions of the universe. The pu...
A bridge of stars connects 2 dwarf galaxies
Feb 10, 2017 (SPX)
The Magellanic Clouds, the two largest satellite galaxies of the Milky Way, appear to be connected by a bridge stretching across 43,000 light years, according t...
Astronomers Find Faintest Early Galaxies Yet, Probe How the Early Universe Lit Up
Feb 10, 2017 (SPX)
Astronomers at The University of Texas at Austin have developed a new technique to discover the faintest galaxies yet seen in the early universe -10 times faint...
New evidence in favor of dark matter
Feb 10, 2017 (SPX)
Why do the majority of astronomers believe in dark matter: matter whose composition is unknown but which seems to make up 80% of the mass of the galaxies? The c...
Scientists Estimate Solar Nebula's Lifetime
Feb 08, 2017 (SPX)
About 4.6 billion years ago, an enormous cloud of hydrogen gas and dust collapsed under its own weight, eventually flattening into a disk called the solar nebul...
Mysterious white dwarf pulsar discovered
Feb 08, 2017 (SPX)
An exotic binary star system 380 light-years away has been identified as an elusive white dwarf pulsar - the first of its kind ever to be discovered in the univ...
NASA Advances First-Ever Silicon-Based X-ray Optic
Feb 08, 2017 (SPX)
NASA scientist William Zhang has created and proven a technique for manufacturing lightweight, high-resolution X-ray mirrors using silicon - a material commonly...
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