News tagged with radio

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen ...

dateSep 02, 2013 in Astronomy
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No signals from newest Kepler planet

A newly discovered planet has been observed with the Allen Telescope Array in a search for radio signals that would betray technically sophisticated inhabitants, but no transmissions have been detected.

dateJan 07, 2015 in Astronomy
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Swirling electrons in the whirlpool galaxy

The whirlpool galaxy Messier 51 (M51) is seen from a distance of approximately 30 million light years. This galaxy appears almost face-on and displays a beautiful system of spiral arms.

dateAug 20, 2014 in Astronomy
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A recoiling, supermassive black hole

When galaxies collide, the central supermassive black holes that reside at their cores will end up orbiting one another in a binary pair, at least according to current simulations. Einstein's general theory ...

dateJan 26, 2015 in Astronomy
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