STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Gas giant composition not determined by host star
Dec 04, 2019 (SPX)
In their youths, stars are surrounded by a rotating disk of gas and dust from which planets are born. Astronomers have long wondered how much a star's makeup de...
Researchers discover new way to split and sum photons with silicon
Dec 03, 2019 (SPX)
Silicon is one of the planet's most abundant materials and a critical component in everything from the semiconductors that power our computers to the cells used...
Astronauts wrap up third spacewalk for Cosmic Particle Detector repairs
Dec 03, 2019 (SPX)
The crew completed the primary task to install the upgraded cooling system, called the upgraded tracker thermal pump system (UTTPS), completed the power and dat...
New silicon device converts blue photons into red photons
Dec 03, 2019 (UPI)
Silicon's electronic properties make it a popular choice for a variety of technologies. The material, one of Earth's most abundant, is used to make everything f...
Iconic space observatory in Puerto Rico recovers after Hurricane Maria
Nov 30, 2019 (SPX)
The iconic Arecibo Observatory, famous for its appearance in movies such as 1995's GoldenEye and Species, and 1997's Contact, has brought two scientists Nobel P...
Giant magnetic ropes in a galaxy's halo
Nov 27, 2019 (SPX)
The spiral galaxy is seen edge-on, with its disk of stars shown in pink. The filaments, shown in green and blue, extend beyond the disk into the galaxy's extend...
New image offers close-up view of interstellar comet
Nov 27, 2019 (SPX)
2l/Borisov, first spotted this summer, continues to draw nearer to Earth and will reach its closest approach - about 190 million miles - in early December. Rese...
The simultaneous merging of giant galaxies
Nov 22, 2019 (SPX)
Massive Galaxies like the Milky Way typically consist of hundreds of billions of stars and host a black hole with a mass of several million up to several 100 mi...
Extremely energetic particles coupled with the violent death of a star for the first time
Nov 22, 2019 (SPX)
The light particles were measured with the telescope MAGIC, situated on the Canary Islands. The researchers at the Niels Bohr Institute subsequently measured th...
New water-based optical device revolutionizes the field of optics research
Nov 21, 2019 (SPX)
Normally, light "bends" when it hits any medium, but under the Pockels effect, the refractive index of the medium (a measure of how much the light bends) change...
NASA's Fermi, Swift missions enable a new era in gamma-ray science
Nov 21, 2019 (SPX)
Astronomers first recognized the GRB phenomenon 46 years ago. The blasts appear at random locations in the sky about once a day, on average. The most common typ...
First detection of gamma-ray burst afterglow at highest energies
Nov 21, 2019 (SPX)
On 20 July 2018, the Fermi Gamma-Ray Burst Monitor and a few seconds later the Swift Burst Alert Telescope notified the world of a gamma-ray burst, GRB 180720B....
The tera from outer space
Nov 21, 2019 (SPX)
During the height of the Cold War between the United States and the former Soviet Union, there were satellites in orbit around the Earth whose sole purpose was ...
Airbus-built telescope for ESA's Euclid mission takes shape
Nov 20, 2019 (SPX)
The Euclid Payload Module contains the largest telescope with such optical performance ever designed and integrated by Airbus. After mounting the truss on the b...
Foam offers way to manipulate light
Nov 19, 2019 (SPX)
The researchers, integrating expertise from materials science, chemistry and physics, conducted exhaustive computational simulations of a structure known as a W...
When galaxies rotate, size matters
Nov 18, 2019 (SPX)
A team of astrophysicists analysed 1,418 galaxies and found that small ones are likely to spin on a different axis to large ones. The rotation was measured in r...
NIST-led team develops tiny low-energy device to rapidly reroute light in computer chips
Nov 18, 2019 (SPX)
The switch's record-breaking performance is a major new step toward building a computer that uses light instead of electricity to process information. Relying o...
Chemists use light to build biologically active compounds
Nov 18, 2019 (SPX)
Unfortunately methods to make isoquinuclidines and the related dehyrdoisoquinuclidines suffer from a number of drawbacks which make it more difficult for scient...
Ground broken on beamline for most advanced neutrino experiment
Nov 15, 2019 (SPX)
The beamline is part of the Long-Baseline Neutrino Facility (LBNF), which will house the Deep Underground Neutrino Experiment (DUNE), an international endeavor ...
New laser opens up large region of the electromagnetic spectrum
Nov 15, 2019 (SPX)
But this section of the electromagnetic spectrum has remained out of reach for most applications. That is because current sources of terahertz frequencies are b...
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