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STELLAR CHEMISTRY

News About Stellar Chemistry

4,996 articles

Starry tail tells the tale of dwarf galaxy evolution
Jan 27, 2023 (SPX)
Astronomers using the Subaru Telescope and the Canada-France-Hawaii Telescope found a tail of stars stretching 200,000 light-years out away from a galaxy known ...
Waseda researchers measure boron flux in high-energy cosmic rays with CALET
Jan 27, 2023 (SPX)
Existing studies indicate that ^ follows a power-law variation. It is inversely related to E raised to the dth power, where E is the CR energy per nucleon and d...
Solar System formed from 'poorly mixed cake batter'
Jan 27, 2023 (SPX)
"The extreme conditions found in stellar interiors enable stars to manufacture elements using nuclear fusion," explained Nie, a former Carnegie postdoc now at C...
Were galaxies much different in the early universe?
Jan 25, 2023 (SPX)
In a paper accepted for publication in The Astrophysical Journal, the Hydrogen Epoch of Reionization Array (HERA) team reports that it has doubled the sensitivi...
Liquid-mirror program to revolutionize telescope designs
Jan 24, 2023 (SPX)
DARPA's Zenith program will investigate liquid-mirror technology as an alternative to glass or beryllium optics. Liquid-mirror telescopes (LMTs) operate on the ...
SwRI-contributed study provides darkest view ever of interstellar ices
Jan 24, 2023 (SPX)
These observations have revealed the composition of a virtual treasure chest of ices from the early universe, providing new insights into the chemical processes...
Webb unveils dark side of pre-stellar ice chemistry
Jan 24, 2023 (SPX)
An international team of astronomers using NASA's James Webb Space Telescope has obtained an in-depth inventory of the deepest, coldest ices measured to date in...
A new model for dark matter
Jan 24, 2023 (SPX)
Currently, there are many proposals for new experiments: They aim to detect dark matter directly via its scattering from the constituents of the atomic nuclei o...
A paradigm shift in our understanding of a well-known astrophysical phenomenon
Jan 24, 2023 (SPX)
In many different galactic and extragalactic systems, emission of matter is commonly observed in the form of jets. The speed at which this spectacle occurs grea...
Milky Way found to be more unique than previously thought
Jan 23, 2023 (SPX)
A cosmological wall is a flattened arrangement of galaxies found surrounding other galaxies, characterised by particularly empty regions called 'voids' on eithe...
Nanoparticles make it easier to turn light into solvated electrons
Jan 19, 2023 (SPX)
In theory, solvated electrons could be used to safely and sustainably break down carbon dioxide or chemical pollutants in contaminated water, but it has been im...
Star visibility eroding rapidly as night sky gets brighter
Jan 19, 2023 (AFP)
The researchers, whose findings were published in the journal Science, said the increase in light pollution -- skyglow -- that they found was much larger than t...
Billions of celestial objects revealed in gargantuan survey of the Milky Way
Jan 19, 2023 (SPX)
The Milky Way Galaxy contains hundreds of billions of stars, glimmering star-forming regions, and towering dark clouds of dust and gas. Imaging and cataloging t...
NASA recaps Webb Telescope findings from AAS Meeting
Jan 19, 2023 (SPX)
Scientists from NASA and universities shared Webb results from multiple different scientific disciplines, ranging from the early universe and galaxy evolution t...
China powers up satellite payloads for gamma-ray burst observation
Jan 18, 2023 (XNA)
The four payloads, GRID-05B, GRID-06B, GRID-07 and GRID-08B, will carry out networked joint observations with those satellites in orbit to analyze gamma-ray bur...
Study finds active galactic nuclei are even more powerful than thought
Jan 17, 2023 (SPX)
A new study indicates that scientists have substantially underestimated the energy output of these objects by not recognizing the extent to which their light is...
The world in grains of interstellar dust
Jan 15, 2023 (SPX)
Laboratory and rocket-borne studies have revealed new insights into how interstellar dust grains came into being before our solar system formed. The results, pu...
Astronomers create new microwave map of the Milky Way and beyond
Jan 13, 2023 (SPX)
The team used the QUIJOTE (Q-U-I JOint TEnerife) Collaboration, sited at the Teide Observatory on Tenerife in the Canary Islands. This comprises two 2.5 m diame...
New Webb image reveals dusty disk like never seen before
Jan 12, 2023 (SPX)
The star system in question, AU Microscopii or AU Mic, is located 32 light-years away in the southern constellation Microscopium. It's approximately 23 million ...
The enduring stellar lifecycle in 30 Doradus
Jan 11, 2023 (SPX)
NASA's Chandra X-ray Observatory has frequently looked at 30 Doradus over the lifetime of the mission, often under the direction of Dr. Leisa Townsley who passe...
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