The Ring Nebula (M57) was first discovered in the winter of 1779. But by whom? Some claim it was French astronomer Antoine Darquier de Pellepoix, while others insist it was Charles Messier. However, ...
The year 2019 marks the 20th anniversary of the launch of NASA's Chandra X-ray Observatory into space. The Crab Nebula was one of the first objects that Chandra examined with its sharp X-ray vision, ...
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