News tagged with cluster galaxies

The answer is blowing in the intergalactic wind

Astronomers from the University of Toronto and the University of Arizona have provided the first direct evidence that an intergalactic "wind" is stripping galaxies of star-forming gas as they fall into clusters ...

dateNov 13, 2014 in Astronomy
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The rise and fall of galactic cities

(Phys.org) —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in ...

dateDec 19, 2013 in Astronomy
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Cosmic bumps on cosmic ripples

In 1969, the astrophysicists Rashid Sunyaev and Yakov Zel'dovich realized that the then recently discovered cosmic microwave background radiation (CMBR) would be distorted by hot cosmic gas. Hot electrons ...

dateMar 13, 2015 in Astronomy
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Charting the Milky Way from the inside out

Imagine trying to create a map of your house while confined to only the living room. You might peek through the doors into other rooms or look for light spilling in through the windows. But, in the end, the ...

dateJun 04, 2015 in Astronomy
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Hubble reveals a super-rich galactic neighborhood

(Phys.org) —This new image from the NASA/ESA Hubble Space Telescope shows the super-rich galaxy cluster Abell 1413. Located between the constellations of Leo (The Lion) and Coma Berenices, the cluster is ...

dateNov 19, 2014 in Astronomy
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Dark statistics

The hypothetical dark flow seen in the movement of galaxy clusters requires that we can reliably identify a clear statistical correlation in the motion of distant objects which are, in any case, flowing o ...

dateMar 28, 2011 in Astronomy
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Image: Einstein's theory fights off challengers

(PhysOrg.com) -- Two new studies have put Einstein's General Theory of Relativity to the test like never before, using observations of galaxy clusters to study the properties of gravity on cosmic scales.

dateMar 24, 2011 in Astronomy
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Clues to the growth of the colossus in Coma

A team of astronomers has discovered enormous arms of hot gas in the Coma cluster of galaxies by using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. These features, which span at least half a million ...

dateSep 19, 2013 in Astronomy
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