There are a number of things in the Universe that could wipe out life as we know it, but — for now, and for Earth — a blast from our galaxy's supermassive black hole isn't one of them. That's not to say that Sagittarius A* doesn't pose a danger. If it wakes up someday and blasts out a st...
Astronomers Measure the Long Reach of a Quasar
By system
July 31, 2026 •
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Original source:
Universe Today
