Astronomers solve mystery of 'Green Monster' in famous supernova remnant (photo)

How Astronomers Are Saving Astronomy From Satellites — For Now. Even the most powerful telescopes are in peril as orbits above Earth fill with thousands of new satellites. But scientists aren’t ready to give up the night sky.

How Astronomers Are Saving Astronomy From Satellites — For Now

Photo From First Private Moon Lander Mission Shows Something Terribly Wrong