STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Milky Way Collision Occurred Billions of Years Later Than Previously Thought
Jun 07, 2024 (SPX)
The discovery was made possible by the European Space Agency"s Gaia spacecraft, which maps more than a billion stars in the Milky Way and beyond, tracking their...
Astronomers Await Visible Nova Event in Corona Borealis
Jun 07, 2024 (SPX)
"It"s a once-in-a-lifetime event that will create a lot of new astronomers out there, giving young people a cosmic event they can observe for themselves, ask th...
Exotic black holes could be a byproduct of dark matter
Jun 07, 2024 (SPX)
Fifty years ago, physicist Stephen Hawking offered one idea for what dark matter might be: a population of black holes, which might have formed very soon after ...
Scientists Find Slowest-Spinning Radio Neutron Star
Jun 06, 2024 (SPX)
Neutron stars, the dense remnants of a dead star, typically rotate at extremely high speeds, taking just seconds or even less to fully spin on their axis. Howev...
AI advances research into cosmic explosions
Jun 04, 2024 (SPX)
Many stars end as white dwarfs, compact stars with the mass of the Sun but the size of Earth. Some white dwarfs explode as supernovae, releasing heavy elements ...
New Star to Appear in Night Sky as T Corona Borealis Set for Nova Eruption
Jun 04, 2024 (SPX)
This event will make T CrB, currently too faint to see with the naked eye, as bright as the Northern Star (Polaris), offering a temporary new star visible to mu...
MDA Space Secures Contract for Square Kilometre Array Project
Jun 04, 2024 (SPX)
The SKAO is an extensive ground-based astronomy initiative involving multiple countries to build and operate two telescopes for global scientific use. Canada re...
Hubble trouble: Veteran space telescope forced to take it easy
Jun 04, 2024 (AFP)
One of the three gyroscopes that control the direction in which the telescope points has become unstable in recent months, leading to intermittent "safe mode" e...
Ongoing gyroscope problem forces Hubble telescope to pause operations
Jun 03, 2024 (UPI)
The telescope automatically entered the safety stage Tuesday, the agency said Friday. Gyros measure the telescope's slew rates as part of the system that determ...
New Study Suggests Dark Matter May Be Self-Interacting
Jun 01, 2024 (SPX)
Riccardo Valdarnini explains, "According to the currently-accepted standard cosmological model, the present baryonic matter density of the Universe can account ...
NASA's Webb Telescope Identifies Most Distant Galaxy
May 31, 2024 (SPX)
Using Webb's Near-Infrared Spectrograph (NIRSpec), they obtained a spectrum of a galaxy observed 290 million years after the big bang, corresponding to a redshi...
Stargazing in broad daylight: How a multi-lens telescope is changing astronomy
May 26, 2024 (SPX)
In a paper published in Publications of the Astronomical Society of Australia on 20 May, the researchers demonstrate the Huntsman's ability to accurately measur...
Scientists observe CO2 and CO ices in the outer solar system
May 26, 2024 (SPX)
A research team, led by planetary scientists Mario Nascimento De Pra and Noemi Pinilla-Alonso from the University of Central Florida's Florida Space Institute (...
LSST camera reaches Rubin Observatory in Chile for major cosmic exploration
May 23, 2024 (SPX)
When operational, the LSST Camera will capture detailed images of the southern hemisphere sky for 10 years, creating a comprehensive timelapse of our Universe. ...
Euclid space telescope unveils new images of the cosmos
May 23, 2024 (AFP)
It is the second set of images released by the European Space Agency since Euclid launched last year on the first-ever mission to investigate the mysteries of d...
Complete Stellar Collapse: Unusual Star System Shows Quiet Death of Stars
May 22, 2024 (SPX)
Massive stars usually end their lives in supernova explosions, ejecting energy and mass into space. However, this new research indicates that with enough mass, ...
Astronomers detect rare neutral atomic-carbon absorbers with a deep neural network
May 20, 2024 (SPX)
"Neutral carbon absorbers" from cold gas with dust in the universe are key probes for studying galaxy formation and evolution. However, these signals are weak a...
MIT researchers discover the universe's oldest stars in our own galactic backyard
May 15, 2024 (SPX)
The team spotted the stars in the Milky Way's "halo" - the cloud of stars that envelopes the entire main galactic disk. Based on the team's analysis, the three ...
HKU scientists develop new method to detect universe's earliest stars
May 10, 2024 (SPX)
Until now, direct detection of these ancient stars has been elusive due to their faintness and vast distance from Earth. The new method involves observing the r...
Novel Methodology Reveals Early X-ray Emissions of Gamma-Ray Bursts Across Cosmic Distances
May 10, 2024 (SPX)
GRBs, known for their intense luminosities which can rival the collective output of all stars in the observable universe within seconds, have been a focal point...
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