STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Webb Telescope will investigate where are new stars born
Aug 22, 2019 (SPX)
Using NASA's James Webb Space Telescope as a sort of time machine, a team of researchers intends to do just that. Led by principal investigator Jane Rigby of NA...
Iron-60 discovery in Antarctic provides data on solar system environment
Aug 21, 2019 (SPX)
However, a small percentage comes from distant stars. There are no natural terrestrial sources for the iron-60 isotope contained therein; it originates exclusiv...
Lab-based dark energy experiment narrows search options for elusive force
Aug 20, 2019 (SPX)
Dark energy is the name given to an unknown force that is causing the universe to expand at an accelerating rate. Some physicists propose dark energy is a 'fift...
Unique electrical properties in quantum materials can be controlled using light
Aug 19, 2019 (SPX)
A new study from Penn researchers found that Weyl semimetals, a class of quantum materials, have bulk quantum states whose electrical properties can be controll...
Observed explosion of monster star requires new supernova mechanism
Aug 16, 2019 (SPX)
First noticed in November 2016 by the European Space Agency's (ESA) Gaia satellite, three years of intensive follow up observations of the supernova SN2016iet r...
Stellar Evolution in Real Time Detected in the Old Star T Ursae Majoris
Aug 15, 2019 (SPX)
Imagine that you are a fly and you want to figure out how humans age. You don't have the time to just pick one specimen and wait it out: you need to work with w...
Finding a cosmic fog within shattered intergalactic pancakes
Aug 14, 2019 (SPX)
In a new study, Yale postdoctoral associate Nir Mandelker and professor Frank C. van den Bosch report on the most detailed simulation ever of a large patch of t...
Glitch in neutron star reveals its hidden secrets
Aug 13, 2019 (SPX)
Until they don't. Occasionally these neutron stars start to spin faster, caused by portions of the inside of the star moving outwards. It's called a "glitch" an...
Virtual 'universe machine' sheds light on galaxy evolution
Aug 12, 2019 (SPX)
Observing real galaxies in space can only provide snapshots in time, so researchers who want to study how galaxies evolve over billions of years have to revert ...
Astronomers measure mass, energy from high-mass protostar for first time
Aug 12, 2019 (UPI)
As gas and dust coalesce to form a protostar, the new stellar orb's gravity begins to pull in more and more of the surrounding gas and dust. As the new stellar ...
A new lens for life-searching space telescopes
Aug 09, 2019 (SPX)
But there are size constraints, ranging from the mirror's own weight, which can distort images, to the size of our freeways and underpasses that are needed to t...
Dark matter may be older than the big bang, study suggests
Aug 08, 2019 (SPX)
The study, published August 7 in Physical Review Letters, presents a new idea of how dark matter was born and how to identify it with astronomical observations....
Scientists resolve the nature of powerful cosmic objects
Aug 08, 2019 (SPX)
Now, a team of researchers has settled some questions and exposed exciting new findings about these cosmic phenomena. Their results appear in the Monthly Notice...
Critical deployment of NASA Webb's Secondary Mirror a success
Aug 08, 2019 (SPX)
Technicians and engineers recently tested a key part of this choreography by successfully commanding Webb to deploy the support structure that holds its seconda...
'Heart' of LUX-ZEPLIN Dark Matter Detector assembled
Aug 08, 2019 (SPX)
What they revealed was LZ's xenon detector, called a Time Projection Chamber, or TPC. Researchers recently completed the assembly of this impressive structure, ...
ALMA Identifies dark ancestors of massive elliptical galaxies
Aug 08, 2019 (SPX)
The research team assumes that these faint galaxies are the ancestors of massive elliptical galaxies in the present universe, however interestingly, no major th...
Ghosts of ancient explosions live on in stars today
Aug 07, 2019 (SPX)
White dwarfs are not all the same, ranging from half of the mass of our Sun to almost 50 percent more massive than our Sun. Some explode in Type Ia supernovae; ...
New voyage to the universe from DESHIMA
Aug 07, 2019 (SPX)
"Deshima" (or, Dejima) was a Dutch trading post in Japan built in the mid-17th century. For 200 years, Deshima was Japan's precious window to the world. Now, th...
Dutch Japanese Instrument Measures 49 Shades of Far-Infared
Aug 07, 2019 (SPX)
Measuring distances and ages in the universe is a problem. The brightness of a star or a galaxy says little about age. Astronomers bypass this problem by measur...
Scientists discover a new type of pulsating star
Aug 05, 2019 (SPX)
A team of scientists led by UC Santa Barbara researcher Thomas Kupfer recently discovered a new class of these pulsators that vary in brightness every five minu...
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