STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Galactic Center magnetic field offers new insight into stellar evolution dynamics
Aug 01, 2025 (SPX)
Sagittarius C, a complex star-forming zone within a dense cloud ring near the Galactic Center, has long intrigued astronomers due to its tangle of gas filaments...
New particle model opens overlooked pathway in dark matter search
Aug 01, 2025 (SPX)
"Dark matter constitutes roughly 27% of the universe, yet we still do not know its exact composition," said Ana Luisa Foguel, a Ph.D. student at USP's Physics I...
Famous double-slit experiment holds up when stripped to its quantum essentials
Jul 30, 2025 (SPX)
The original experiment involved shining a beam of light through two parallel slits in a screen and observing the pattern that formed on a second, faraway scree...
Scientists and engineers build radio telescope bound for the Moon
Jul 30, 2025 (SPX)
Comprising the overall design of the telescope as well as the procurement and construction of its components, this project phase was a significant undertaking. ...
CTAO telescope uncovers fresh evidence for layered jet structures in historic gamma ray burst
Jul 24, 2025 (SPX)
During its commissioning phase, LST-1 identified a slight excess in gamma-ray flux while monitoring GRB 221009A, offering fresh evidence in support of theoretic...
XRISM mission maps sulfur distribution across Milky Way
Jul 24, 2025 (SPX)
Utilizing observations from two distant X-ray binary systems, astronomers detected sulfur throughout the interstellar medium-the vast mix of dust and gas betwee...
Atypical cosmic radio source spins up and defies conventional theories
Jul 22, 2025 (SPX)
LPTs are characterized by their slow spin periods, typically ranging from several minutes to hours. However, CHIME J1634+44's spin period is decreasing, which c...
Supersonic gas filaments discovered in fast-moving Milky Way cloud
Jul 22, 2025 (SPX)
Led by the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences, researchers studied G165, a massive cloud of atomic hydrogen moving at a...
Nuclear timekeeping may reveal hidden traits of dark matter
Jul 22, 2025 (SPX)
Now, physicists believe that a nuclear clock-an ultraprecise timekeeping device based on an atomic nucleus-could serve as a tool to expose these hidden interact...
The secret life of neutrinos
Jul 22, 2025 (SPX)
Now a team of researchers from the Network for Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS), including several from UC San Diego, have shown, through ...
Astronomers discover blazing Betelgeuse has companion star
Jul 21, 2025 (AFP)
Now astronomers have discovered that this red supergiant, known to many as the hunter's shoulder in the Orion constellation, is being orbited by a much smaller ...
Cold atom experiment validates Fermi acceleration predicted in cosmic ray theory
Jul 14, 2025 (SPX)
The experiment, conducted by scientists from the Universities of Birmingham and Chicago, involved colliding ultracold atoms with movable optical potential barri...
Milky Way may host scores of hidden faint satellite galaxies
Jul 14, 2025 (SPX)
Presented at the Royal Astronomical Society's National Astronomy Meeting, the research predicts these elusive "orphan" galaxies-nearly invisible due to being st...
Researchers claim Earth, Milky Way are trapped in cosmic void
Jul 10, 2025 (UPI)
Research presented at the Royal Astronomical Society National Astronomy Meeting on Wednesday showed that data found by analyzing the sounds from the Big Bang, k...
Dark matter fueled dark dwarfs may populate galactic core
Jul 09, 2025 (SPX)
The team, publishing in the Journal of Cosmology and Astroparticle Physics, suggests that under certain conditions, dark matter could accumulate inside young br...
Unlocking the Secrets of Cosmic Dust with the Webb Telescope
Jul 09, 2025 (SPX)
Dr. Noel Richardson, an associate professor of Physics and Astronomy at Embry-Riddle Aeronautical University, and his students are answering these questions by ...
Crystalline grains found in space ice challenge assumptions about its structure
Jul 08, 2025 (SPX)
The research team used computer simulations and experimental methods to investigate the atomic-level structure of this widespread cosmic ice. Simulations showed...
'Ice in a volcano' reveals age of gas cloud at Milky Way's center
Jul 08, 2025 (SPX)
"The Fermi bubbles are enormous structures of hot gas that extend above and below the disk of the Milky Way, reaching about 25,000 light years in each direction...
NASA discovers third interstellar comet
Jul 03, 2025 (UPI)
The interstellar comet first observed on Tuesday by NASA's Asteroid Terrestrial-impact Alert System telescope, or ATLAS, has been officially named 3I/ATLAS. A s...
Cosmic clocks guide SKA Observatory through commissioning phase
Jul 02, 2025 (SPX)
Known for their regular radio pulses, pulsars act as remarkably precise celestial clocks, with accuracy rivaling atomic clocks on Earth. One such object, the Ve...
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