An Olympic archer can launch an arrow with a speed of over 150 mph. During a supernova explosion, the speed of the ejected material is typically 150,000 times as fast (a few percent of the speed of light)!
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An Olympic archer can launch an arrow with a speed of over 150 mph. During a supernova explosion, the speed of the ejected material is typically 150,000 times as fast (a few percent of the speed of light)!