News tagged with satellite galaxies

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Swift, Chandra explore a youthful 'star wreck'

( —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after the coordinates ...

dateMar 15, 2013 in Astronomy
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Milky Way shaken... and stirred

A team of scientists headed by Ivan Minchev from the Leibniz Institute for Astrophysics Potsdam (AIP), has found a way to reconstruct the evolutionary history of our galaxy, the Milky Way, to a new level of detail. The investigation ...

dateJan 20, 2014 in Astronomy
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Star's 'cry' heralds new era for testing relativity

( -- Last year, astronomers discovered a quiescent black hole in a distant galaxy that erupted after shredding and consuming a passing star. Now researchers have identified a distinctive X-ray signal observed in ...

dateAug 02, 2012 in Astronomy
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Hubble watches star clusters on a collision course

( -- Astronomers using data from NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 170,000 light-years away in the Large Magellanic ...

dateAug 16, 2012 in Astronomy
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Hubble finds source of Magellanic Stream

( —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky Way. New Hubble ...

dateAug 08, 2013 in Astronomy
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Fermi and Swift see 'shockingly bright' burst

A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world. The eruption, which is classified as a gamma-ray burst, or GRB, and designated GRB 130427A, produced the highest-energy ...

dateMay 03, 2013 in Astronomy
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Most quasars live on snacks, not large meals

( -- Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.

dateJun 20, 2012 in Astronomy
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