Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.
Hubble was recently retrained on NGC 6302, known as the "Butterfly Nebula," to observe it across a more complete spectrum of light. This Hubble telescope snapshot of MyCn18, a young planetary nebula, ...
The Owl Nebula is a planetary nebula located about 2,030 light-years away in the constellation Ursa Major. It is estimated to be around 8,000 years old. The Horsehead Nebula, located in the ...