News tagged with visible universe

Light dawns on dark gamma-ray bursts (w/ Video)

( -- Gamma-ray bursts are among the most energetic events in the Universe, but some appear curiously faint in visible light. The biggest study to date of these so-called dark gamma-ray bursts, using the GROND ...

dateDec 16, 2010 in Astronomy
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Topological defects in the fabric of space and time

A cosmic string is a very long (possibly as long as the diameter of the visible universe), very thin (less than the width of a proton) high-density object formed during the early moments of the big bang. You can see a rendering ...

dateOct 10, 2014 in Astronomy
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Seeking the earliest galaxies with cosmic telescopes

(—With a recent NSF award, UA scientists will use galaxy clusters as astronomical lenses to peer farther into the depths of space than any manmade telescope is capable of viewing - to the time when the universe's ...

dateOct 17, 2012 in Astronomy
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