An international team of astronomers reports the discovery of a new ultra-faint dwarf galaxy as part of the DECam Local Volume Exploration (DELVE) survey. The newly found galaxy, designated Pegasus IV, has an absolute magnitude ...
In 29 new scientific papers, the Dark Energy Survey examines the largest-ever maps of galaxy distribution and shapes, extending more than 7 billion light-years across the universe. The extraordinarily precise analysis, which ...
Astronomy
May 28, 2021
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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
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A five year quest is underway (3 September 2013) looking to solve the cosmic detective puzzle of why the expansion of the universe is speeding up. UK physicists and astronomers working alongside colleagues from around the ...
Astronomy
Sep 3, 2013
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(Phys.org) —A NASA spacecraft that discovered and characterized tens of thousands of asteroids throughout the solar system before being placed in hibernation will return to service for three more years starting in September, ...
Space Exploration
Aug 22, 2013
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(Phys.org)—Dust is an annoyance in everyday life, but an important building block of stars and planets. As such, astronomers need to understand how cosmic dust forms over time—it's an integral step in figuring out the ...
Astronomy
Oct 9, 2012
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(Phys.org)—University of Michigan physicists built parts of a telescope camera that just captured its first image in a major survey designed to help scientists understand why the universe is expanding at an ever-faster ...
Astronomy
Sep 21, 2012
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A University of Sussex astronomer has described seeing the first images captured by the world's most powerful sky-mapping camera as a "punching-the-air moment".
Astronomy
Sep 20, 2012
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Why do we care about dark energy in the first place?
Astronomy
Sep 18, 2012
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(Phys.org)—Eight billion years ago, rays of light from distant galaxies began their long journey to Earth. That ancient starlight has now found its way to a mountaintop in Chile, where the newly-constructed Dark Energy ...
Astronomy
Sep 17, 2012
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