The remnant of a star roughly 20 times as massive as the sun that exploded about 10,000 years ago, the Veil Nebula is ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020. Credit: NASA, ESA, STScI Acknowledgments: NSF's NOIRLab, Akira Fujii , Jeff ...