STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

The natural brightness of the night sky
May 07, 2021 (SPX)
Of the 44 photometers in the survey, the Roque de los Muchachos Observatory (Garafia, La Palma, Canary Islands) stands out at the darkest of all the skies analy...
Mysterious hydrogen-free supernova sheds light on stars' violent death throes
May 07, 2021 (SPX)
At the end of their lives, cool, yellow stars are typically shrouded in hydrogen, which conceals the star's hot, blue interior. But this yellow star, located 35...
With a zap of light, system switches objects' colors and patterns
May 05, 2021 (SPX)
MIT researchers have developed a way to rapidly update imagery on object surfaces. The system, dubbed "ChromoUpdate" pairs an ultraviolet (UV) light projector w...
Nano flashlight enables new applications of light
May 05, 2021 (SPX)
Their approach to designing the tiny light beam on a chip could also be used to create a variety of other nano flashlights with different beam characteristics f...
uGMRT reveals for the first time the patchy environment of a rare cosmic explosion
May 04, 2021 (SPX)
This along with their extremely blue color has led to them being called FBOTs for Fast Blue Optical Transient. This is the first observational evidence of inhom...
Are there anti-stars around us
May 04, 2021 (SPX)
What is antimatter? Often associated with the world of science fiction, antimatter does exist. It is observed in physics laboratories and in space. It is a stat...
In a First, Scientists Map Particle-Laden Rivers in the Sky
May 04, 2021 (JPL)
Gaining a better understanding of how these particles are transported around the globe is important because certain aerosols can nourish rainforest soil, help o...
Exoplanet-hunter TESS telescope spots bright gamma-ray burst
May 01, 2021 (SPX)
It's the first time a gamma-ray burst has been found this way. Gamma-ray bursts are the brightest explosions in the universe, typically associated with the coll...
DALI experiment searching for axion component of dark matter
May 01, 2021 (SPX)
However, in spite of the high scientific interest in finding it, the search at high radio frequency -above 6 GHz- has been almost left aside for the lack of the...
Physicists net neutron star gold from measurement of lead
Apr 28, 2021 (SPX)
The protons and neutrons that form the nucleus at the heart of every atom in the universe help determine each atom's identity and properties. Nuclear physicists...
Study suggests that silicon could be a photonics game-changer
Apr 28, 2021 (SPX)
While computer chips' extraordinary success has confirmed silicon as the prime material for electronic information control, silicon has a reputation as a poor c...
Star light, star bright as explained by math
Apr 27, 2021 (SPX)
"It can be difficult to explain the variations of the brightness of variable stars unless they follow a regular pattern over time," says Das. "In this study we ...
A breakthrough astrophysics code rapidly models stellar collisions
Apr 24, 2021 (SPX)
This new code to model stellar collisions is more expeditious than the established code used for numerical simulations. The research came from a unique collabor...
Warp drives: Physicists give chances of faster-than-light space travel a boost
Apr 24, 2021 (SPX)
If humanity ever wants to travel easily between stars, people will need to go faster than light. But so far, faster-than-light travel is possible only in scienc...
NAOC scientists make further step towards understanding dark energy
Apr 24, 2021 (SPX)
The study led by Prof. Zhao was recently published in Monthly Notices of the Royal Astronomical Society. Based on eBOSS observations, Prof. ZHAO's team measured...
Hubble captures giant star on the edge of destruction
Apr 24, 2021 (SPX)
The price for the monster star's opulence is "living on the edge." The star, called AG Carinae, is waging a tug-of-war between gravity and radiation to avoid se...
The science of spin as asteroseismologists confirm older stars rotate faster than expected
Apr 23, 2021 (SPX)
All stars, like the Sun, are born spinning. As they grow older, their spin slows down due to magnetic winds in a process called 'magnetic braking'. Research pub...
Using exoplanets as dark matter detectors
Apr 23, 2021 (SPX)
In a new paper, two astrophysicists suggest dark matter could be detected by measuring the effect it has on the temperature of exoplanets, which are planets out...
Record-breaking flare from Sun's nearest neighbor
Apr 22, 2021 (SPX)
Their work, which could help guide the search for life beyond our Solar System, is published in The Astrophysical Journal Letters. Proxima Centauri is a "red dw...
Astronomers release new all-sky map of Milky Way's outer reaches
Apr 22, 2021 (JPL)
The data for the new map comes from ESA's Gaia mission and NASA's Near Earth Object Wide Field Infrared Survey Explorer, or NEOWISE, which operated from 2009 to...
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