Mysterious ‘fast radio burst’ detected close to Earth
Sep 03, 2020
2 minutes
Words by Brandon Specktor
30,000 years ago a dead star on the other side of the Milky Way belched out a powerful mixture of radio and X-ray energy. On 28 April 2020 that belch swept over Earth, triggering alarms at observatories around the world. The signal was there and gone in half a second,
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