Late last year the Crab pulsar glitched. It was the biggest glitch we've ever seen in that source since it was discovered in 1968. Today our paper on how we @jodrellbank detected and measured the glitch came out. Here's a summary. (1/19)
The Crab pulsar sits in the centre of this Supernova remnant. It was formed in AD 1054 in the supernova that created this nebula. It's one of the youngest pulsars we know of. (2/19)