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STELLAR CHEMISTRY

News About Stellar Chemistry

4,996 articles

New galaxy images reveal a fitful start to the Universe
Oct 25, 2021 (SPX)
One of the most interesting questions that astronomers have been trying to answer for decades is how and when the first galaxies formed. Concerning the how, one...
A radical shift to link soot formation and interstellar evolution
Oct 25, 2021 (SPX)
Several pathways are proposed to explain how these large organic molecules form. These typically involve a cascade of chemical reactions that assist in removing...
Hubble gives unprecedented, early view of a doomed star's destruction
Oct 25, 2021 (SPX)
"We used to talk about supernova work like we were crime scene investigators, where we would show up after the fact and try to figure out what happened to that ...
Astronomers see white dwarf switch on and off
Oct 19, 2021 (SPX)
Researchers used a planet-hunting satellite to observe the unique phenomenon in a white dwarf about 1,400 light years from Earth. This particular white dwarf is...
Dwarf galaxy catches globular cluster
Oct 19, 2021 (SPX)
According to the prevailing theory, large galaxies such as our Milky Way were formed by mergers with smaller galaxies. In recent years, evidence for this has in...
NASA selects Gamma-ray Telescope to Chart Milky Way evolution
Oct 19, 2021 (SPX)
NASA's Astrophysics Explorers Program received 18 telescope proposals in 2019 and selected four for mission concept studies. After detailed review of these stud...
Arecibo Observatory in Puerto Rico will not be rebuilt
Oct 14, 2021 (UPI)
The center would expand upon existing education and outreach opportunities, and is expected to open in 2023, the NSF said in a statement. The NSF is soliciting ...
Process leading to supernova explosions and cosmic radio bursts unearthed at PPPL
Oct 07, 2021 (SPX)
The process, called quantum electrodynamic (QED) cascades, can lead to supernovas - exploding stars - and fast radio bursts that equal in milliseconds the energ...
Researchers reveal a wobbly and flared Milky Way disk based on LAMOST-Gaia data
Oct 04, 2021 (SPX)
The Milky Way is a typical disk galaxy. In the classical view of the Milky Way, the disk is symmetric and flat on the whole, like a pancake. Stars in the disk r...
Euclid telescope ready for extreme space environment
Oct 01, 2021 (ESA)
Euclid will study dark energy and dark matter. Whilst these cannot be seen directly by any telescope, their presence and influence can be inferred by observing ...
Extending LIGO's reach into the cosmos
Oct 01, 2021 (SPX)
In the future, as more and more upgrades are made to the National Science Foundation-funded LIGO observatories-one in Hanford, Washington, and the other in Livi...
NASA confirms Roman Mission's flight design in milestone review
Oct 01, 2021 (SPX)
"After seeing our extensive hardware testing and sophisticated modeling, an independent review panel has confirmed that the observatory we have designed will wo...
Microscopic metavehicles powered by nothing but light
Sep 29, 2021 (SPX)
Light has an inherent power to move microscopic objects - a property previously used to develop the Nobel prize winning research idea of 'optical tweezers', whi...
Hubble snapshot of molten ring galaxy prompts new research
Sep 24, 2021 (SPX)
The consequences would be that images of distant objects would be magnified, brightened, and distorted into funhouse mirror views. This is because their light w...
How to weigh a quasar
Sep 24, 2021 (SPX)
This measurement simultaneously determines the rotational velocity of the radiating gas and its distance from the centre of the accretion disk from which materi...
Hubble finds early, massive galaxies running on empty
Sep 24, 2021 (SPX)
Without more fuel for star formation, these galaxies were literally running on empty. The findings are published in the journal Nature. "At this point in our un...
Gigantic cavity in space sheds new light on how stars form
Sep 24, 2021 (SPX)
The mysterious cavity is surrounded by the Perseus and Taurus molecular clouds - regions in space where stars form. "Hundreds of stars are forming or exist alre...
A new understanding of galaxy evolution with the Roman Space Telescope
Sep 22, 2021 (SPX)
When NASA's Nancy Grace Roman Space Telescope launches in the mid-2020s, it will revolutionize astronomy by providing a panoramic field of view at least 100 tim...
Instrument issue pauses NASA's James Webb Telescope observations
Sep 21, 2021 (UPI)
"The Webb team has paused in scheduling observations using this particular observing mode while they continue to analyze its behavior and are currently developi...
Have we detected dark energy
Sep 20, 2021 (SPX)
A new study, led by researchers at the University of Cambridge and reported in the journal Physical Review D, suggests that some unexplained results from the XE...
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