Hubble Captures the Expanding Ghost of a 10,000-Year-Old Supernova

A star 20 times the mass of the Sun exploded 10,000 years ago, leaving behind the breathtaking Veil Nebula. The latest featured image from the Hubble Space Telescope offers a fresh look at the Veil Nebula, a well-known and frequently photographed supernova remnant. This nebula is what remains of a massive star, roughly 20 times [...]