Cosmic tsunami wakes up comatose galaxies

April 24, 2015 9:07 PM

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Royal Astronomical Society Press Release

A radio image highlighting the shock wave (seen here as the bright arc running from bottom left to top right) in the ‘Sausage’ merging cluster, made using the Giant Metrewave Radio Telescope. The shock wave was generated 1 billion years ago, when the two original clusters collided, and is moving at ...

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