At 1.4 Million Mph, Astronomers Detected One of The Fastest Cosmic Objects of Its Kind - ScienceAlert

When massive stars die, they don't do so quietly.

When massive stars die, they don't do so quietly. Their deaths are spectacularly brilliant affairs that light up the cosmos, a supernova explosion that sends star guts punching out into space in a c… [+3923 chars]

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