Cosmic butterfly or interstellar citizen? This planet-forming disk is the largest ever seen
The largest planetary construction site ever seen, spanning hundreds of billions of kilometers, may well be cast in a huge shadow that accentuates its bizarre appearance. In short, it looks like a cosmic butterfly – and for years it was ignored. The object, known as IRAS 23077+6707, was originally cataloged by the Infrared Astronomy Satellite … Read more