News tagged with milky way galaxy

Hubble's double galaxy gaze: Leda and NGC 4424

Some astronomical objects have endearing or quirky nicknames, inspired by mythology or their own appearance. Take, for example, the constellation of Orion (The Hunter), the Sombrero Galaxy, the Horsehead Nebula, or even the ...

dateMar 31, 2017 in Astronomy
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Andromeda's bright X-ray mystery solved by NuSTAR

The Milky Way's close neighbor, Andromeda, features a dominant source of high-energy X-ray emission, but its identity was mysterious until now. As reported in a new study, NASA's NuSTAR (Nuclear Spectroscopic Telescope Array) ...

dateMar 24, 2017 in Astronomy
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Giant magnetic fields in the universe

Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), ...

dateMar 22, 2017 in Astronomy
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Running away from Einstein

Einstein's theory of gravity may have to be rewritten, after researchers at the University of St Andrews found a gigantic ring of galaxies darting away from us much faster than predicted.

dateMar 16, 2017 in Astronomy
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Star in closest orbit ever seen around black hole

Astronomers have found evidence of a star that whips around a likely black hole twice an hour. This could be the tightest orbital dance ever seen by a black hole and a companion star in our own Milky Way galaxy.

dateMar 13, 2017 in Astronomy
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Hubble dates black hole's last big meal

For the supermassive black hole at the center of our Milky Way galaxy, it's been a long time between dinners. NASA's Hubble Space Telescope has found that the black hole ate its last big meal about 6 million years ago, when ...

dateMar 09, 2017 in Astronomy
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