STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Cosmic magnifying glasses find dark matter in small clumps
Jan 09, 2020 (SPX)
All galaxies, according to this theory, form and are embedded within clouds of dark matter. Dark matter itself consists of slow-moving, or "cold," particles tha...
New map of Milky Way reveals giant wave of stellar nurseries
Jan 08, 2020 (SPX)
The work, published in Nature, was enabled by a new analysis of data from the European Space Agency's Gaia spacecraft, launched in 2013 with the mission of prec...
China's cosmic ray observatory half functional
Jan 08, 2020 (XNA)
The project, known as the Large High-Altitude Air Shower Observatory (LHAASO), is located 4.41 km above sea level on Haizi Mountain in Sichuan. Since April 2019...
Arianespace to launch ESA Euclid satellite's for dark energy exploration
Jan 08, 2020 (SPX)
Euclid mission will be compatible with Ariane 62 and Soyuz. Euclid is a medium-class astronomy and astrophysics space mission in ESA's Cosmic Vision 2015-2025 s...
Milky Way's impending galactic collision is already birthing new stars
Jan 08, 2020 (SPX)
More surprising still, spectral analysis suggests that the infant stars have an extragalactic origin. The stars seemingly formed not from material from the Milk...
Repeating fast radio burst from spiral galaxy deepens mystery
Jan 07, 2020 (SPX)
At this point in time, one of the greatest mysteries in astronomy is where short, dramatic bursts of radio light seen across the universe, known as fast radio b...
Fast radio burst observations deepen astronomical mystery
Jan 07, 2020 (SPX)
Research published in the scientific journal Nature, and presented at the 235th meeting of the American Astronomical Society, has pinpointed the origin of an FR...
Hubble surveys gigantic galaxy
Jan 07, 2020 (SPX)
Despite its gargantuan size, researchers are calling it a "gentle giant" because it looks as if it has been sitting quietly over billions of years, possibly sip...
SOFIA reveals new view of milky way's center
Jan 07, 2020 (SPX)
NASA's telescope has captured an extremely crisp infrared image of the center of our Milky Way galaxy. Spanning a distance of more than 600 light-years, this pa...
Binary star V Sagittae will explode as a very bright 'nova' by century's end
Jan 07, 2020 (SPX)
During this time of eruption, V Sge will be the most luminous star in the Milky Way galaxy. This prediction is being presented for the first time at the 235th A...
TESS shows North Star undergoes eclipses
Jan 07, 2020 (SPX)
"The first question that comes to mind is 'how did we miss this?'" said Angela Kochoska, a postdoctoral researcher at Villanova University in Pennsylvania who p...
Astronomers spot distant galaxy group driving ancient cosmic makeover
Jan 06, 2020 (SPX)
More significantly, observations show the galaxies are participants in a sweeping cosmic makeover called reionization. The era began when light from the first s...
Hubble sights galaxy's celestial sequins
Jan 06, 2020 (SPX)
The story of Queen Berenice II is an interesting one. A ruling queen of the ancient Greek city of Cyrene in modern-day Libya, and later a queen of Ptolemaic Egy...
NASA's Hubble survey's gigantic galaxy
Jan 06, 2020 (SPX)
But it is a "gentle giant," say researchers, because it looks like it has been sitting quietly over billions of years, possibly sipping hydrogen from the filame...
Evidence suggests key assumption in discovery of dark energy is in error
Jan 06, 2020 (SPX)
New observations and analysis made by a team of astronomers at Yonsei University (Seoul, South Korea), together with their collaborators at Lyon University and ...
Simulated image demonstrates the power of NASA's WFIRST
Jan 06, 2020 (SPX)
With NASA's Wide Field Infrared Survey Telescope, scheduled for launch in the mid-2020s, this vision will (effectively) become reality. WFIRST will capture the ...
NASA's Great Observatories help build 3-D visualization of exploded star
Jan 06, 2020 (SPX)
The multiwavelength computer graphics visualization is based on images from the Chandra X-ray Observatory and the Hubble and Spitzer space telescopes. The appro...
Hubble marks 30th anniversary with portrait of massive spiral galaxy
Jan 06, 2020 (UPI)
The massive galaxy is 2.5 times wider than the Milky Way and hosts ten times as many stars, but astronomers refer to it as a "gentle giant" because it has been ...
Cosmic bubbles reveal the first stars
Jan 06, 2020 (SPX)
There was a period in the very early universe - known as the "cosmic dark ages" - when elementary particles, formed in the Big Bang, had combined to form neutra...
NIST study suggests universal method for measuring light power
Dec 30, 2019 (SPX)
But it's more than just an opportunity to nerd out over an international measurement unit. The proposed definition promises a more precise, less expensive and m...
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