[New post] Astronomers discover dramatic black hole switch-on

Vidya Nagalwade posted: " The astrophysical phenomenon J221951-484240, commonly known as J221951, is one of the brightest transients (astrophysical objects whose brightness changes over a brief period) ever observed.  J221951 was discovered in September 2019 while looking" Tech Explorist Astronomers discover dramatic black hole switch-on Vidya Nagalwade Jul 4 New research expands understanding of supermassive black holes' capabilities. Read more of this post Unsubscribe to no longer receive posts from Tech Explorist. Change your email settings at manage subscriptions. Trouble clicking? Copy and paste this URL into your browser: https://www.techexplorist.com/astronomers-discover-dramatic-black-hole-switch-on/

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