STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Hubble inspects a contorted spiral galaxy
May 28, 2021 (SPX)
The interaction of NGC 2276 with the intracluster medium - the superheated gas lying between the galaxies in galaxy clusters - has ignited a burst of star forma...
UMass Amherst astronomer reveals never-before-seen detail of the center of our galaxy
May 28, 2021 (SPX)
"The galaxy is like an ecosystem," says Wang, a professor in UMass Amherst's astronomy department, whose findings are a result of more than two decades of resea...
NASA's Roman Mission to probe cosmic secrets using exploding stars
May 27, 2021 (SPX)
Roman's supernova survey will help clear up clashing measurements of how fast the universe is currently expanding, and even provide a new way to probe the distr...
Probing deeper into origins of cosmic rays
May 27, 2021 (SPX)
Researchers know cosmic rays originate from the multitude of stars in the Milky Way, including our sun, and other galaxies. The difficulty is tracing the partic...
Latest Hubble parameter estimation from LISA-Taiji gravitational wave observatory network
May 27, 2021 (SPX)
This is called the "Hubble tension". To come to a robust conclusion, independent probes with accuracy at percent levels are crucial. With the self-calibration b...
Milky Way not unusual, astronomers find
May 25, 2021 (SPX)
The galaxy, dubbed UGC 10738, turns out to have distinct 'thick' and 'thin' discs similar to those of the Milky Way. This suggests, contrary to previous theorie...
Plasma jets reveal magnetic fields far, far away
May 25, 2021 (SPX)
Galaxy clusters can contain up to thousands of galaxies bound together by gravity. Abell 3376 is a huge cluster forming as a result of a violent collision betwe...
Slew of dwarf galaxies had simultaneous 'baby boom' of new stars
May 25, 2021 (SPX)
Galaxies more than 1 million light-years apart should have completely independent lives in terms of when they give birth to new stars. But galaxies separated by...
Study: Milky Way evolved slowly, peacefully, just like a lot of other galaxies
May 24, 2021 (UPI)
According to a study published Monday in the journal Astrophyiscal Journal Letters, Earth's home galaxy evolved slowly and relatively peacefully -- and research...
Hubble tracks down fast radio bursts to galaxies' spiral arms
May 21, 2021 (SPX)
Called fast radio bursts (FRBs), these extraordinary events generate as much energy in a thousandth of a second as the Sun does in a year. Because these transie...
More than 175 billion cosmic rays later
May 20, 2021 (ESA)
AMS-02 is a sub-atomic particle detector that looks for dark matter, antimatter and measures cosmic rays. It took 16 countries and nearly 20 years to make it a ...
LHAASO discovers a dozen PeVatrons and photons exceeding 1 PeV and launches ultra-high-energy gamma
May 19, 2021 (SPX)
These findings overturn the traditional understanding of the Milky Way and open up an era of UHE gamma astronomy. These observations will prompt people to rethi...
Stunning simulation of stars being born is most realistic ever
May 19, 2021 (SPX)
Called STARFORGE (Star Formation in Gaseous Environments), the computational framework is the first to simulate an entire gas cloud - 100 times more massive tha...
Dating the stars
May 18, 2021 (SPX)
The team led by researchers at the University of Birmingham, surveyed around a hundred red giant stars, and were able to determine that some of these were origi...
Scientists will peer at first galaxies with James Webb telescope
May 18, 2021 (UPI)
About 400 studies that could reveal secrets about the oldest galaxies, inhabitable planets and even the dawn of the universe already are scheduled, scientists s...
New evidence of how and when the Milky Way came together
May 18, 2021 (SPX)
Using relatively new methods in astronomy, the researchers were able to identify the most precise ages currently possible for a sample of about a hundred red gi...
Researchers one step closer to developing Canada's next space telescope
May 17, 2021 (SPX)
The contract will support the development of a telescope prototype by Stanimir Metchev, Canada Research Chair in Extrasolar Planets at Western's Institute for E...
Charting the expansion history of the universe with supernovae
May 17, 2021 (SPX)
Edwin Hubble's observations over 90 years ago showing the expansion of the Universe remain a cornerstone of modern astrophysics. But when you get into the detai...
Physicists predict neutron stars may be bigger than previously imagined
May 17, 2021 (SPX)
That neutron star is the densest celestial body that astronomers can observe, with a mass about 1.4 times the size of the sun. However, there is still little kn...
NASA's giant Webb telescope succeeds in key pre-launch test
May 11, 2021 (AFP)
The James Webb Space Telescope's 21 feet 4 inch (6.5 meter) mirror was commanded to fully expand and lock itself into place, NASA said -- a final test to ensure...
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