They help to show the full extent of the nebula. NASA’s Chandra X-ray Observatory observations, meanwhile, are visible in cyan. They highlight the nebula’s central source. The red and pink in ...

The Veil Nebula is roughly 2,400 light-years away in the constellation Cygnus. It is the remnants of a star that was roughly 20 times as big as our sun and exploded about 10,000 years ago.