News tagged with distant galaxy

Giant galaxies die from the inside out

A major astrophysical mystery has centred on how massive, quiescent elliptical galaxies, common in the modern Universe, quenched their once furious rates of star formation. Such colossal galaxies, often also called spheroids ...

dateApr 16, 2015 in Astronomy
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Blue bursts of hot young stars captured by Hubble

( —This image, speckled with blue, white and yellow light, shows part of the spiral galaxy IC 5052. Surrounded in the image by foreground stars in our own galaxy, and distant galaxies beyond, it emits a bright ...

dateMar 11, 2013 in Astronomy
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Distorting the lens

( -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational grasp. A related ...

dateFeb 09, 2012 in Astronomy
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A super cluster of galaxies

(—Most galaxies lie in clusters, groupings of several to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large member is the ...

dateAug 28, 2012 in Astronomy
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Growing galaxies gently

The first galaxies formed before the Universe was less than one billion years old and were much smaller than the giant systems -- including the Milky Way -- that we see today. So somehow the average galaxy size has increased ...

dateOct 13, 2010 in Astronomy
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Galaxy cluster hidden in plain view

( -- A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The galaxy cluster ...

dateMar 06, 2012 in Astronomy
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