STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Satellite in sun's backyard unravels the origins of interplanetary dust
Sep 10, 2021 (SPX)
When these particles collide with Earth's atmosphere, they create meteors, better known as shooting stars, as the (usually) microscopic fragments vaporize and l...
China releases first batch of gamma photon data from dark matter explorer
Sep 10, 2021 (XNA)
The National Space Science Data Center (NSSDC) and the Purple Mountain Observatory (PMO) of the Chinese Academy of Sciences Tuesday released the scientific data...
New ALMA receivers achieve first light, set record for observational capabilities
Sep 09, 2021 (SPX)
Scientists achieved first light with the Band 1 receiver on August 14, 2021, with successful observations of the edge of the Moon, followed by the first success...
Milky Way is not homogeneous
Sep 09, 2021 (SPX)
Today, a team of astronomers from the University of Geneva (UNIGE) demonstrates that these gases are not mixed as much as previously thought, which has a strong...
Ariane 5 elements for Webb launch reach Europe's Spaceport
Sep 08, 2021 (ESA)
The rocket's fairing, upper stage and core stage have been unloaded from the MN Toucan vessel at Pariacabo harbour and transported by special convoy to Europe's...
NASA's next space telescope to launch in December
Sep 08, 2021 (AFP)
The $10 billion observatory, which is a joint project by NASA, the European Space Agency and the Canadian Space Agency, will blast off on an Ariane 5 rocket fro...
Astronomers explain origin of elusive ultradiffuse galaxies
Sep 07, 2021 (SPX)
Now an international team of astronomers, co-led by Laura Sales, an astronomer at the University of California, Riverside, reports in Nature Astronomy that it h...
Astronomers create the first 3D-printed stellar nurseries
Sep 07, 2021 (SPX)
Imara and her collaborators created the models using data from simulations of star-forming clouds and a sophisticated 3D printing process in which the fine-scal...
Chandra resumes science operations
Sep 07, 2021 (SPX)
In preparation for an observing run Aug. 31 using the LETG, the movement of this instrument into its operating position - where it intercepts the path of X-rays...
Hubble discovers hydrogen-burning white dwarfs enjoying slow aging
Sep 07, 2021 (SPX)
These results challenge the prevalent view of white dwarfs as inert, slowly cooling burned-out stars where nuclear fusion has stopped. Now, an international gro...
Astronomers nail down the origins of rare loner dwarf galaxies
Sep 07, 2021 (SPX)
Now astronomers from MIT, the University of California at Riverside, and elsewhere have used detailed simulations to detect "quenched" UDGs - a rare type of dwa...
Astronomers find new clue that heavy stars don't go supernova
Sep 02, 2021 (SPX)
The research team looked at the luminous infrared galaxy Arp 299 using the X-ray telescope XMM-Newton. Their aim was to measure the abundances of several differ...
What can a young star teach us about the birth of our solar system
Sep 02, 2021 (SPX)
"We've detected thousands of planets in other stellar systems in our galaxy, but where did all of these planets come from? Where did Earth come from? That's wha...
Chemical clues to the death of massive stars
Sep 02, 2021 (SPX)
Some of these massive stars will have a splendid death. They can explode as core-collapse supernovae, which can outshine their entire galaxy. More than 2000 yea...
Hidden bacterial hairs power nature's 'electric grid'
Sep 02, 2021 (SPX)
"The ground beneath our feet, the entire globe, is electrically wired," said Nikhil Malvankar, assistant professor of molecular biophysics and biochemistry at t...
Dark Energy Camera captures detailed view of striking peculiar galaxy
Sep 01, 2021 (SPX)
The galaxy Centaurus A, which lies over 12 million light-years away in the direction of the southern-hemisphere constellation Centaurus (The Centaur), is the le...
An accidental discovery hints at a hidden population of cosmic objects
Sep 01, 2021 (JPL)
Or they did, until they found this one. The Accident got its name after being discovered by sheer luck. It slipped past normal searches because it doesn't resem...
Galaxies pump out contaminated exhausts
Aug 31, 2021 (SPX)
"Enormous clouds of gas are pulled into galaxies and used in the process of making stars," said co-lead author Deanne Fisher, associate professor at the Centre ...
James Webb Space Telescope has completed testing
Aug 27, 2021 (SPX)
Engineering teams have completed Webb's long-spanning comprehensive testing regimen at Northrop Grumman's facilities. Webb's many tests and checkpoints were des...
Unravelling the mystery of brown dwarfs
Aug 27, 2021 (SPX)
An international team, led by scientists from the University of Geneva (UNIGE) and the Swiss National Centre of Competence in Research (NCCR) PlanetS, in collab...
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