News tagged with gravitational forces

Hubble tells a tale of galactic collisions

( —When we look into the distant cosmos, the great majority of the objects we see are galaxies: immense gatherings of stars, planets, gas, dust, and dark matter, showing up in all kind of shapes. This Hubble picture ...

dateMay 13, 2013 in Astronomy
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Cutting through the spin on supermassive black holes

Astronomers have measured the spin of a black hole buried in the heart of a galaxy located 56 million light years away, and discovered it was spinning quickly – about as quickly as it could go. That was the big news, based ...

dateMar 06, 2013 in Astronomy
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A eulogy to Herschel

(—With its 2160 litres of liquid helium about to run out, the Herschel Space Observatory will, by the end of March, become just another piece of space junk.

dateJan 02, 2013 in Astronomy
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For the Milky Way, it's snack time

Using the Sloan Digital Sky Survey, researchers have discovered a band, or stream, of stars believed to be the remnant of an ancient star cluster slowly being ingested by the Milky Way, Earth's home galaxy.

dateOct 25, 2012 in Astronomy
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