"The surprise that a supposedly quiet, discless system could drive such a spectacular nebula was one of those rare 'wow' moments."

Mystery shockwave around dead star stuns astronomers: 'We found something never seen before and entirely unexpected.'

Source: space
Source Link: https://www.space.com/astronomy/stars/mystery-shockwave-around-dead-star-stuns-astronomers-we-found-something-never-seen-before-and-entirely-unexpected