STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Chasing dark matter with the oldest stars in the Milky Way
Jan 25, 2018 (SPX)
In a paper published Jan. 22 in the journal Physical Review Letters, an international team of astrophysicists provided the first clue: The solution to this myst...
NRL improves optical efficiency in nanophotonic devices
Jan 23, 2018 (SPX)
"The applications for this research are considerably broad," said Dr. Alexander J. Giles, research physicist, NRL Electronics Science and Technology Division. "...
Most Powerful Dutch Supercomputer Boosts New Radio Telescope
Jan 23, 2018 (SPX)
Fast Radio Bursts (FRBs) are extremely bright flashes of radio light, that travel billions of light years to reach Earth. Discovered over a decade ago, their or...
North, east, south, west: The many faces of Abell 1758
Jan 19, 2018 (SPX)
A1758N is a sub-cluster of Abell 1758, a massive cluster containing hundreds of galaxies. Although it may appear serene in this NASA/ESA Hubble Space Telescope ...
Smartphones come in handy for the rare cosmic particles search
Jan 19, 2018 (SPX)
Cosmic rays are constantly entering the earth's atmosphere. Among them are ultra-high energy cosmic rays (UHECR, rays with an energy of more than 10^18 eV), who...
Neutron-star merger yields new puzzle for astrophysicists
Jan 19, 2018 (SPX)
New observations from NASA's orbiting Chandra X-ray Observatory, reported in Astrophysical Journal Letters, indicate that the gamma ray burst unleashed by the c...
SOFIA Helps Unravel Mysteries of the Birth of Colossal Suns
Jan 19, 2018 (SPX)
Astronomers are observing star-forming regions in our galaxy with NASA's flying telescope, the Stratospheric Observatory for Infrared Astronomy, SOFIA, to under...
A New Cosmic Accelerator: Turbulent Strong Electromagnetic Fields
Jan 19, 2018 (SPX)
In particular, they propose that the heating and acceleration of particles, normally associated with explosive phenomena or astrophysical flows in space, are du...
Meteoritic stardust unlocks timing of supernova dust formation
Jan 19, 2018 (SPX)
For example, astronomers have been trying to explain why some recently discovered distant, but young, galaxies contain massive amounts of dust. These observatio...
How we created a mini 'gamma ray burst' in the lab for the first time
Jan 19, 2018 (The Conversation)
But despite the fact that they are so intense, scientists don't really know what causes gamma ray bursts. There are even people who believe some of them might b...
How massive can neutron stars be
Jan 17, 2018 (SPX)
With a radius of about twelve kilometres and a mass that can be twice as large as that of the Sun, neutron stars are amongst the densest objects in the universe...
Redshift space distortions measured by quasars in scientific first
Jan 17, 2018 (SPX)
The eBOSS team released its latest results on January 10, 2018: A measurement of Redshift Space Distortions (RSD) with high significance has been successfully a...
Hubble weighs in on mass of three million billion suns
Jan 17, 2018 (SPX)
Galaxy clusters are the largest objects in the Universe that are bound together by gravity. They form over billions of years as smaller groups of galaxies slowl...
Hubble probes the archeology of our Milky Way's ancient hub
Jan 15, 2018 (SPX)
However, because the inner Milky Way is such a crowded environment, it has always been a challenge to disentangle stellar motions to probe the bulge in detail. ...
China approves advanced radio telescope project
Jan 15, 2018 (XNA)
Proposed by the Xinjiang Astronomical Observatory, the world's largest fully steerable single-dish radio telescope will be built in Qitai County in northwest Ch...
GBT detection unlocks exploration of 'aromatic' interstellar chemistry
Jan 15, 2018 (SPX)
The likely culprit, scientists eventually deduced, was the intrinsic infrared emission from a class of organic molecules known as polycyclic aromatic hydrocarbo...
What Stars Will Hatch from the Tarantula Nebula?
Jan 15, 2018 (SPX)
NASA's flying telescope, the Stratospheric Observatory for Infrared Astronomy, or SOFIA, is particularly well-suited for studying the pre-natal stage of stellar...
Dark energy survey publicly releases first three years of data
Jan 12, 2018 (SPX)
At a special session held during the American Astronomical Society meeting in Washington, D.C., scientists on the Dark Energy Survey (DES) announced the public ...
Space telescopes provide 3-D journey through Orion Nebula
Jan 12, 2018 (SPX)
Viewers experience this nearby stellar nursery "close up and personally" as the new digital visualization ferries them among newborn stars, glowing clouds heate...
Great Observatories Team Up to Find Magnified and Stretched Image of Distant Galaxy
Jan 12, 2018 (JPL)
The embryonic galaxy named SPT0615-JD existed when the universe was just 500 million years old. Though a few other primitive galaxies have been seen at this ear...
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