Putrid-Repeat t1_je6ash5 wrote
Reply to comment by DoyoureadmeHAL in Ultramassive black hole over 30 billion times mass of our sun has been spotted. The discovery had been made possible thanks to a phenomenon known as gravitational lensing — the first time a black hole has been spotted in such a way. by Wagamaga
Just to add, I used an online calculator and the radius is 177 billion kilometers in diameter or 255 thousand earth's in diameter.
WormRabbit t1_je6l1oq wrote
About 1000 AU. For comparison, the distance from Sun to Pluto is 39 AU, and the Oort cloud spans from 2000 to 100 000 AU.
zubbs99 t1_je8m38s wrote
An event horizon that wide is mildly terrifying.
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