The galaxy UGC 8201, captured here by the NASA/ESA Hubble Space Telescope, is a dwarf irregular galaxy, so called because of its small size and chaotic structure. It lies just under 15 million light-years away from us in ...
Astronomy
Mar 19, 2015
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When a star unleashes as much energy in a matter of days as our Sun does in several billion years, you know it's not going to remain visible for long.
Astronomy
Oct 1, 2020
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(Phys.org) —NASA's Hubble Space Telescope has provided the strongest evidence yet that short-duration gamma-ray bursts are triggered by the merger of two small, super-dense stellar objects, such as a pair of neutron stars ...
Astronomy
Aug 3, 2013
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You might think that astronomers could easily tell the difference between a black hole and a white dwarf – but nature can be deceptive.
Astronomy
Jan 10, 2016
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A new search led by Montana State University has revealed more than a dozen massive black holes in dwarf galaxies that were previously considered too small to host them, and surprised scientists with their location within ...
Astronomy
Jan 21, 2020
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The newly-discovered dark dwarf galaxy Antlia 2's collision with the Milky Way may be responsible for our galaxy's characteristic ripples in its outer disc, according to a study led by Rochester Institute of Technology Assistant ...
Astronomy
Jun 12, 2019
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481
(PhysOrg.com) -- According to current astronomical models, the Milky Way and other large galaxies formed over billions of years in a process that involved interactions between smaller galaxies, and in particular the gradual ...
Astronomy
Mar 19, 2010
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Using data from ESA's Gaia spacecraft, astronomers have discovered a new Milky Way satellite in the constellation Antlia. The newly found dwarf galaxy, named Antlia 2, is several times larger when compared to other systems ...
A University of Utah astronomer and his colleagues discovered that an ultracompact dwarf galaxy harbors a supermassive black hole – the smallest galaxy known to contain such a massive light-sucking object. The finding suggests ...
Astronomy
Sep 17, 2014
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The supermassive black hole at the heart of our galaxy spat out an enormous flare of radiation 3.5 million years ago that would have been clearly visible from Earth.
Astronomy
Oct 8, 2019
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