STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Dark matter from the depths of the universe
Nov 12, 2020 (SPX)
These are the results of theoretical calculations undertaken by a research group including Dr. Arne Wickenbrock of the PRISMA+ Cluster of Excellence at Johannes...
ILOA-IM announce agreement for 2021 Lunar Landing and Milky Way imaging
Nov 12, 2020 (SPX)
ILO-X is a precursor to the ILOA flagship Moon South Pole Observatory ILO-1. The ~0.6kg ILO-X instrument, being built for ILOA by Toronto-based Canadensys Aeros...
Tree rings may hold clues to impacts of distant supernovas on Earth
Nov 12, 2020 (SPX)
The study, published this month in the International Journal of Astrobiology, probes the impacts of supernovas, some of the most violent events in the known uni...
Galaxies have gotten hotter as they've gotten older
Nov 11, 2020 (SPX)
"We have measured temperatures throughout the history of the universe," said Brice Menard, a Johns Hopkins professor of physics and astronomy. "As time has gone...
Clemson researchers decode thermal conductivity with light
Nov 10, 2020 (SPX)
Graduate research assistant Prakash Parajuli; research assistant professor Sriparna Bhattacharya; and Clemson Nanomaterials Institute (CNI) Founding Director Ap...
Arecibo Observatory incurs more damage as another support cable snaps
Nov 10, 2020 (SPX)
"It broke and fell onto the reflector dish below, causing additional damage to the dish and other nearby cables," the university said in a statement about the i...
Has the hidden matter of the universe been discovered?
Nov 09, 2020 (SPX)
Galaxies are distributed throughout the Universe in the form of a complex network of nodes connected by filaments, which are in turn separated by voids. This is...
Seeing dark matter in a new light
Nov 09, 2020 (SPX)
Scientists currently estimate that up to 85% of the mass in the universe is effectively invisible. This 'dark matter' cannot be observed directly, because it do...
Hubble launches large ultraviolet-light survey of nearby stars
Nov 06, 2020 (SPX)
As the basic building blocks of the cosmos, stellar nuclear fusion furnaces forge new heavy elements, enriching their parent galaxy. The radiant energy from sta...
Playing detective on a galactic scale: huge new dataset will solve multiple Milky Way mysteries
Nov 06, 2020 (SPX)
These are just a couple of the astronomical questions likely to be answered following the release of 'GALAH DR3', the largest set of stellar chemical data ever ...
New research on imposter stars may improve astronomical data
Nov 06, 2020 (SPX)
The orbital flashes, often mistaken for stars, occur 1,000 times an hour, according to new research led by the University of North Carolina at Chapel Hill that ...
FAST reveals mystery of fast radio bursts from the universe
Nov 05, 2020 (SPX)
The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) has revealed some mystery of the fast radio bursts, according to a study published in Nature on...
NASA missions help pinpoint the source of a unique x-ray, radio burst
Nov 05, 2020 (SPX)
"Before this event, a wide variety of scenarios could explain the origin of FRBs," said Chris Bochenek, a doctoral student in astrophysics at Caltech who led on...
First light on a next-gen astronomical survey toward a new understanding of the cosmos
Nov 03, 2020 (SPX)
The newly-launched SDSS-V will continue the path-breaking tradition set by the survey's previous generations, with a focus on the ever-changing night sky and th...
New evidence our neighborhood in space is stuffed with hydrogen
Nov 02, 2020 (SPX)
In this stellar no-man's land, particles and light shed by our galaxy's 100 billion stars jostle with ancient remnants of the big bang. This mixture, the stuff ...
Single Burst of Star Formation Created Milky Way's Central Bulge
Oct 28, 2020 (SPX)
Some studies have found evidence for at least two star-forming bursts, leading to stellar populations as old as 10 billion years or as young as 3 billion. Now, ...
Exploring the source of stars and planets in a laboratory
Oct 27, 2020 (SPX)
The novel device, designed to duplicate the process that causes swirling clouds of cosmic dust and plasma to collapse into stars and planets, consists of two fl...
Galactic archaeology
Oct 23, 2020 (SPX)
As the metal-free first stars collapsed and exploded into supernovae, they forged heavier elements such as carbon that seeded the next generation of stars. One ...
Ultraviolet shines light on origins of the solar system
Oct 21, 2020 (SPX)
"It has been recently demonstrated that variations in isotopic compositions of many elements in our solar system were inherited from the protosolar molecular cl...
Evidence of broadside collision with dwarf galaxy discovered in Milky Way
Oct 21, 2020 (SPX)
Astronomers identified an unusually high density of stars called the Virgo Overdensity about two decades ago. Star surveys revealed that some of these stars are...
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