The Horsehead Nebula This photo of the Horsehead nebula was captured by NASA's Hubble Telescope in infrared. It's located in the constellation Orion about light years away from us. The Galaxy This massive galaxy is not much different
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This composite image of the Tycho supernova remnant shows the scene more than four centuries after the brilliant star explosion witnessed by Tycho Brahe and other astronomers of that era. The explosion has left a.