NASA's Hubble Space Telescope creates largest photomosaic ever made of "train wreck" Andromeda galaxy with over 2.5 billion pixels
The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and can be seen with the naked eye on a clear autumn night as “a faint ...
Scientific American5d
NASA’s Hubble Space Telescope Was Never Meant to Look at the Sun. Astronomers Tried It Anyway
A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...