STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

NASA's James Webb telescope completes mirror alignment, heads for orbit
Jan 19, 2021 (UPI)
NASA Administrator Bill Nelson shared the news, tipping his hat to the crew on Twitter. "Congratulations to the teams that have been working tirelessly since la...
Dark Energy Survey makes public catalog of nearly 700 million astronomical objects
Jan 19, 2021 (SPX)
The second data release from the Dark Energy Survey, or DES, is the culmination of over a half-decade of astronomical data collection and analysis with the ulti...
The Milky Way does the Wave
Jan 19, 2021 (SPX)
"Our usual picture of a spiral galaxy is as a flat disk, thinner than a pancake, peacefully rotating around its center," said Xinlun Cheng of the University of ...
String of stars in Milky Way are related
Jan 19, 2021 (SPX)
A stellar stream is a rare linear pattern - rather than a cluster - of stars. After combining multiple datasets captured by the Gaia space telescope, a team of ...
Cosmic beasts and where to find them
Jan 19, 2021 (SPX)
Whereas normal radio galaxies are fairly common, only a few hundred of these have radio jets exceeding 700 kilo-parsecs in size, or around 22 times the size of ...
Milky Way's Defensive Halo Blocks Incoming Gas Cloud
Jan 19, 2021 (SPX)
Stars and planets require large amounts of gas to form, and galaxies can run out of this cosmic building material unless they can capture more gas from their su...
New research highlights image improvements using charge-injection devices
Jan 18, 2021 (SPX)
Research from Florida Tech graduate research assistant Sailee Sawant, presented at the 237th meeting of the American Astronomical Society (AAS) on Jan. 15, has ...
Citizen scientists help create 3D map of local stellar neighborhood
Jan 15, 2021 (SPX)
Scientists tapped into the worldwide network of 150,000 volunteers using Backyard Worlds: Planet 9 to find new examples of brown dwarfs. These objects are balls...
Reconstructing the solar system's original architecture
Jan 13, 2021 (SPX)
The gravitational effect of these massive objects caused immense reshuffling of other planetary bodies that were forming at the time, meaning that the current l...
New Horizons spacecraft answers question: how dark is space
Jan 13, 2021 (SPX)
To measure that glow, astronomical satellites have to escape the inner solar system and its light pollution, caused by sunlight reflecting off dust. A team of s...
Roman Space Telescope could image 100 Hubble ultra deep fields at once
Jan 12, 2021 (SPX)
The Roman Space Telescope will be able to photograph an area of sky 100 times larger than Hubble with the same exquisite sharpness. As a result, a Roman Ultra D...
Unveiling the double origin of cosmic dust in the distant Universe
Jan 12, 2021 (SPX)
Scientists combined observational and theoretical methods to identify the physical processes behind their evolution and, for the first time, found evidence for ...
Galaxy mergers could limit star formation
Jan 12, 2021 (SPX)
Using a powerful Earth-based telescope they saw that a huge amount of star-forming gas was ejected into the universe by the coming together of two galaxies. The...
Chandra Studies Extraordinary Magnetar
Jan 11, 2021 (SPX)
Magnetars are a type of neutron star, an incredibly dense object mainly made up of tightly packed neutron, which forms from the collapsed core of a massive star...
When Galaxies Collide: Hubble Showcases 6 Beautiful Galaxy Mergers
Jan 11, 2021 (ESA)
It is during rare merging events that galaxies undergo dramatic changes in their appearance and in their stellar content. These systems are excellent laboratori...
New Space Telescope Will Reveal Unseen, Dynamic Lives of Galaxies
Jan 11, 2021 (SPX)
Led by principal investigator Carlos Vargas, a postdoctoral researcher in UArizona's Steward Observatory, the Aspera mission seeks to solve a longstanding myste...
NASA Selects 4 Concepts for Small Missions to Study Universe's Secrets
Jan 11, 2021 (SPX)
"The principal investigators of these concept studies bring innovative, out-of-the-box thinking to the problem of how to do high-impact astrophysics experiments...
Wind bands, jet streams spotted on nearest brown dwarf
Jan 07, 2021 (UPI)
Brown dwarfs are too big to be planets but not quite massive enough to generate fusion, a prerequisite for stellar classification. Though hot in their infancy, ...
Digital Sky Survey maps the entire sky, providing new data to Vanderbilt astronomers
Jan 07, 2021 (SPX)
The SDSS-V will make full use of existing satellites, including NASA's?Transiting Exoplanet Survey Satellite?mission, to lead to new discoveries. Keivan Stassun...
Warning: Neutron Star Collision Imminent
Jan 07, 2021 (SPX)
But what if that alert had gone out before the collision? When Stars Collide When neutron stars merge, they are expected to produce both a gravitational-wave si...
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