SpaceWhat does it mean to “look” at a black hole? General relativity teaches us that observing a black hole is all a question of perspective – and technique, says Chanda Prescod-Weinstein 91ɫƬ
SpaceWhat happens at a black hole's edge? It depends on your perspective To find out what happens at the centre of a black hole, we may need to consider its event horizon - and think about where we're looking from, says Chanda Prescod-Weinstein 91ɫƬ