Detecting monstrous black holes, 20 billion times larger than the sun and growing 'fast'
astronomers specializing in 'tracing' black holes in billions of light-years' space have accidentally discovered a black hole that is perhaps the most anomalest ever, with the10 interesting facts about black holes in the universe (Part 1)
although we have known black holes for a long time, what we know about them is only scientific theory. black holes have a lot of mysteries that we don't know yet, can't explain.