Using the Very Large Telescope (VLT) and the Hubble Space Telescope (HST), astronomers have investigated one of the Milky Way's globular clusters, Messier 80. The new study concentrated on peculiar kinematics of Messier 80's ...
The observed acceleration of the Hubble expansion rate has been attributed to a mysterious "dark energy" which supposedly makes up about 70% of the universe. Professor Subir Sarkar from the Rudolf Peierls Centre for Theoretical ...
Astronomy
Nov 27, 2019
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2428
Exploring the influence of galactic winds from a distant galaxy called Makani, UC San Diego's Alison Coil, Rhodes College's David Rupke and a group of collaborators from around the world made a novel discovery. Published ...
Astronomy
Oct 31, 2019
6
847
Polish astronomers have detected a new ultracompact X-ray binary as part of the Optical Gravitational Lensing Experiment (OGLE). The newly found binary, designated OGLE-UCXB-01, is an unusual periodic variable object with ...
NASA's Chandra X-ray Observatory has captured many spectacular images of cosmic phenomena over its two decades of operations, but perhaps its most iconic is the supernova remnant Cassiopeia A.
Astronomy
Aug 27, 2019
0
339
An extremely large cosmological simulation—among the five most extensive ever conducted—is set to run on Mira this fall and exemplifies the scope of problems addressed on the leadership-class supercomputer at the U.S. ...
Astronomy
Aug 21, 2019
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35
Exoplanets revolving around distant stars are coming quickly into focus with advanced technology like the Kepler space telescope. Gaining a full understanding of those systems is difficult, because the initial positions and ...
General Physics
Jul 30, 2019
2
95
A new study by researchers at the University of Hertfordshire, published today in journal Astronomy and Astrophysics, has found evidence that the gaseous envelopes around larger galaxies are similar to the state of Earth's ...
Astronomy
Jul 11, 2019
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1
A method of weighing the quantities of matter in galaxy clusters—the largest objects in our universe—has shown a balance between the amounts of hot gas, stars and other materials.
Astronomy
Jul 2, 2019
6
0
Scientists at the Department of Energy's SLAC National Accelerator Laboratory are building the world's largest digital camera for astronomy and astrophysics—a minivan-sized 3,200-megapixel "eye" of the future Large Synoptic ...
Astronomy
Jun 20, 2019
0
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