STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Dead star emits never-before seen mix of radiation
Jul 29, 2020 (ESA)
The finding involves two kinds of interesting cosmic phenomena: magnetars and Fast Radio Bursts. Magnetars are stellar remnants with some of the most intense ma...
The ultimate RAVE: final data release published
Jul 28, 2020 (SPX)
RAVE succeeded in measuring the velocities, temperatures, compositions and distances for different types of stars. The unique database enables scientists to sys...
A growing stellar system directly fed by the mother cloud
Jul 28, 2020 (SPX)
The streamer delivers a large amount of gas with chemicals recently produced in the mother cloud surrounding the star-forming region directly to the young proto...
Ground System for NASA's Roman Space Telescope Completes Major Review
Jul 27, 2020 (SPX)
The Roman mission's ground system, which will make data from the spacecraft available to scientists and the public, has just successfully completed its prelimin...
Hubble sees summertime on Saturn
Jul 24, 2020 (SPX)
Hubble found a number of small atmospheric storms. These are transient features that appear to come and go with each yearly Hubble observation. The banding in t...
Separating gamma-ray bursts: Students make critical breakthrough
Jul 20, 2020 (SPX)
Ever since gamma-ray bursts (GRBs) were accidentally picked up by Cold War satellites in the 70s, the origin of these rapid bursts have been a significant puzzl...
Exotic neutrinos will be difficult to ferret out
Jul 20, 2020 (SPX)
In all the processes involving neutrinos that have been observed, these particles exhibit a feature referred to by physicists as left-handedness. Right-handed n...
How galaxies die and the quenching of star formation
Jul 17, 2020 (SPX)
Now, an international team led by Sandra Faber, professor emerita of astronomy and astrophysics at UC Santa Cruz, has proposed a new model that successfully exp...
NASA pushes back James Webb telescope launch date by seven months
Jul 16, 2020 (UPI)
NASA had been working toward a launch in March, and the postponement is the latest in a series of delays for the project, which was conceived of in 1996 with an...
Astronomers spot most distant fleeting flash afterglow from SGRB
Jul 14, 2020 (UPI)
Short gamma-ray bursts emit huge amounts of energy in about one second, and most likely occur when two neutron stars merge, according to researchers. With only ...
The Euclid space telescope is coming together
Jul 13, 2020 (ESA)
Euclid consists of a 1.2-metre mirror telescope that is designed to work at both visible and near-infrared wavelengths - the latter being just longer than the r...
Cosmic cataclysm allows precise test of general relativity
Jul 13, 2020 (SPX)
Einstein's general relativity (GR) is a beautiful theory which explains how mass and energy interact with space-time, creating a phenomenon commonly known as gr...
Herschel and Planck views of star formation
Jul 13, 2020 (ESA)
The images are part of a study by astronomer Juan D. Soler of the Max Planck Institute for Astronomy in Heidelberg, Germany, who used data gathered during Planc...
New collection of stars, not born in our galaxy, discovered in Milky Way
Jul 09, 2020 (SPX)
Writing in Nature Astronomy this week, Necib and her collaborators describe Nyx, a vast new stellar stream in the vicinity of the Sun, that may provide the firs...
FEFU astrophysicists revealed ten-um silicate feature in large dust particles
Jul 09, 2020 (SPX)
The outcome based on 15 examples of olivine silicate studied doesn't meet Mie theory provisions applied for comet particles modelling and capable of helping to ...
How colliding neutron stars could shed light on universal mysteries
Jul 09, 2020 (SPX)
They have discovered an unusual pulsar - one of deep space's magnetized spinning neutron-star 'lighthouses' that emits highly focused radio waves from its magne...
Supernovae and magnetic fields in the laboratory
Jul 09, 2020 (SPX)
A supernova happens when a star runs out of fuel and dies, generating a huge explosion that causes shock waves in the surrounding medium. These shock waves, kno...
New study shows colliding neutron stars may unlock mysteries of universe expansion
Jul 09, 2020 (SPX)
An international team of scientists, led by the University of East Anglia in the United Kingdom, found an asymmetrical double neutron star system using the faci...
Study reveals secret life of lithium in sun-like stars: Created not just destroyed
Jul 07, 2020 (SPX)
A new study led by Prof. ZHAO Gang and Dr. Yerra Bharat Kumar from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) provides a fresh un...
Peering under dust, study reveals radiation at galactic center
Jul 07, 2020 (SPX)
The researchers say it could one day help astronomers track down where all that energy comes from. Understanding the source of the radiation could help explain ...
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