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The Times

A cosmic explosion with the force of a billion Suns went unseen – until we caught its echo

  • Written by Ashna Gulati, PhD Candidate, Radio Astronomy, University of Sydney
A cosmic explosion with the force of a billion Suns went unseen – until we caught its echoNASA's Goddard Space Flight Center Conceptual Image Lab

Some of the universe’s most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ploughs into its surrounding environment.

In new research accepted for publication in The...

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