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Galaxies
A galaxy get slushed
Friday, 16 December 2011 13:47
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Astronomy - Galaxies

Like wine in a glass, vast clouds of hot gas are sloshing back and forth in Abell 2052, a galaxy cluster located about 480 million light years from Earth. X-ray data (blue) from NASA's Chandra X-ray Observatory shows the hot gas in this dynamic system, and optical data (gold) from the Very Large Telescope shows the galaxies. The hot, X-ray bright gas has an average temperature of about 30 million degrees.

 
A galaxy blooming with new stars
Thursday, 15 December 2011 14:29
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Astronomy - Galaxies


The VLT Survey Telescope (VST) has captured the beauty of the nearby spiral galaxy NGC 253. The new portrait is probably the most detailed wide-field view of this object and its surroundings ever taken. It demonstrates that the VST, the newest telescope at ESO's Paranal Observatory, provides broad views of the sky while also offering impressive image sharpness.

 
The mysterious red galaxies
Wednesday, 14 December 2011 11:06
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Astronomy - Galaxies

Galaxies in the early universe appears red, because of the cosmological redshift. But some of them ARE actually redwhy is not fully understood: Thay may be dusty or they may contain many old stars, which implies that stars formed very early

 
Supermassive black holes may be leftovers from quasars
Friday, 09 December 2011 13:17
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Astronomy - Galaxies

Recently an international team of astronomers discovered 2 gigantic black holes with masses about 10 billion times the mass of our Sun. These black holes have a mass more than 50% greater than any other previously measured. Astronomers from University of Toronto belives they may the remains of the Quasars that dominates early universe, but later disappeared.

 
Biggest structure ever discovered
Thursday, 08 December 2011 00:10
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Astronomy - Galaxies

An international group of astronomers led by Tom Scott at the Instituto de Astrofísica de Andalucía in Granada, Spain, has discovered extraordinarily long one-sided gaseous tails in 2 groups of galaxies that are amongst the longest structures ever observed in such environments.

 
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