‘Most people don’t know we’ve set up a doomsday system’: physicist Laura Grego on satellites, nuclear weapons and the battle for our skies

Elon Musk is trying to own it, competing powers are trying to fight in it and nobody seems to be regulating it. So who does space really belong to? The last time I saw Laura Grego was in a tent in a baking field on the Welsh borders in May. The conversation on stage ranged from the dangers of space debris to how the law of the sea might pertain to outer space; from our sense of the sacred to our interplanetary futures. At one point Grego, a physicist, said intently, “People have to be aware of…