Black Holes: Royal Observatory Greenwich Illuminates

Black holes seem like the stuff of science fiction, but the reality behind these astronomical objects is even more peculiar. So strong is the gravity within a black hole not even light can escape it, but that is just one piece of the puzzle. The science behind black holes is notoriously complex, but this concise introduction reveals how some general principles form the basis of our understanding of them, before exploring the possibilities of time travel, wormholes and spaghettification (not...