Discovered late last year, C/2019 Y4 ATLAS was supposed to be the brightest comet to decorate the night sky in decades. But now it appears to have suffered a major collapse. C/2019 Y4 ATLAS has fragmented into three or four pieces, according to the Virtual Telescope Project 2.0, a group that uses remotely controlled telescopes to observe … Continue reading RIP! Promising Comet Atlas Has Fragmented Into Three Or Four Pieces