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 ...
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World's largest telescope gets its protective shell (photos)
The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...