STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Astrophysicists explain the mysterious behavior of cosmic rays
Aug 21, 2017 (SPX)
One of the key problems in the theory of the origin of cosmic rays (high-energy protons and atomic nuclei) is their acceleration mechanism. The issue was addres...
Scientists improve brown dwarf weather forecasts
Aug 21, 2017 (JPL)
Now, researchers have a new model for explaining how clouds move and change shape in brown dwarfs, using insights from NASA's Spitzer Space Telescope. Giant wav...
Air routes adjusted to protect FAST radio telescope
Aug 21, 2017 (XNA)
The Five-hundred-meter Aperture Spherical Telescope (FAST), which was put into use in September 2016 to probe space for the faintest signs of life, is sensitive...
A fleeting blue glow
Aug 16, 2017 (SPX)
Using the nearby Las Cumbres Observatory (LCO), astrophysicists from UC Santa Barbara have observed something similar: an exploding star slamming into a nearby ...
New 3-D simulations show how galactic centers cool their jets
Aug 16, 2017 (SPX)
Now, a small team of researchers has developed theories supported by 3-D simulations to explain what's at work. "These jets are notoriously hard to explain," sa...
Astronomers catch exploding supernova early
Aug 16, 2017 (SPX)
David Sand, an assistant professor at the University of Arizona, discovered the supernova on March 10, 2017, in the galaxy NGC 5643. At 55 million light-years, ...
Russia could launch Spektr-RG space observatory with German telescope in 2018
Aug 16, 2017 (Sputnik)
The Spektr-RG observatory is supposed to be placed at Lagrange point L2, an orbital location where gravitational forces of the Moon and Earth would balance out ...
Exotic quantum states made from light
Aug 16, 2017 (SPX)
Researchers call this a photonic Bose-Einstein condensate. It has long been known that normal atoms form such condensates. Prof. Martin Weitz from the Institute...
New mission going to the space station to explore mysteries of 'cosmic rain'
Aug 14, 2017 (SPX)
CREAM was originally developed as a part of NASA's Balloon Program, during which it returned measurements from around 120,000 feet in seven flights between 2004...
Why massive galaxies don't dance in crowds
Aug 14, 2017 (SPX)
"Contrary to earlier thinking, the spin rate of the galaxy is determined by its mass, rather than how crowded its neighbourhood is," says study first author Ass...
Galactic winds push researchers to probe galaxies at unprecedented scale
Aug 14, 2017 (SPX)
These small, faint systems made up of millions or billions of stars, dust, and gas constitute the most common type of galaxy observed in the universe. But accor...
The mystery of the pulsating blue stars
Aug 14, 2017 (SPX)
In the following years, the team that included Dr. Marilyn Latour, an astronomer from the Dr. Remeis-Sternwarte Bamberg, the astronomical institute of Friedrich...
Polish astronomers attempt to solve pulsating blue stars puzzle
Aug 09, 2017 (UPI)
Researchers first discovered the unusual pulsating stars -- detailed this week in the journal Nature Astronomy -- during a 2013 survey. Since then, the team of ...
China offers over million dollars for someone to operate world's largest radio telescope
Aug 09, 2017 (Sputnik)
The Five Hundred-Meter Aperture Spherical Telescope (FAST) needs a chief scientist from abroad to oversee operations on a daily basis in its $178 million facili...
New theory on the origin of dark matter
Aug 09, 2017 (SPX)
Scientists at Johannes Gutenberg University Mainz (JGU) in Germany have now come up with a new theory on how dark matter may have been formed shortly after the ...
Scientists probe the conditions of stellar interiors to measure nuclear reactions
Aug 09, 2017 (SPX)
In a unique cross-disciplinary collaboration between the fields of plasma physics, nuclear astrophysics and laser fusion, a team of researchers including scient...
Sunshield layers fully integrated on James Webb Space Telescope
Aug 09, 2017 (SPX)
Northrop Grumman Corporation in Redondo Beach, California who designed the Webb telescope's optics and spacecraft bus for NASA's Goddard Space Flight Center in ...
Standard model of the universe withstands most precise test by Dark Energy Survey
Aug 07, 2017 (SPX)
The survey's researchers analyzed light from 26 million galaxies to study how structures in the universe have changed over the past 7 billion years - half the a...
Dark Energy Survey reveals most accurate measurement of universe's dark matter
Aug 04, 2017 (SPX)
If you think of the seed as the early universe, and the tree as the universe the way it looks now, you have an idea of what the Dark Energy Survey (DES) collabo...
Lockheed Martin shrinking the telescope as first images from micro instrument revealed
Aug 04, 2017 (SPX)
Weighing 90 percent less than a typical telescope, the Segmented Planar Imaging Detector for Electro-Optical Reconnaissance (SPIDER) opens a path for extremely ...
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