Space Ghost

The Hubble Space Telescope has snagged a shot of a faraway mass of oxygen, glowing green and in the shape of something ghostly. This cloud of gas is about 650 million light-years from the safe confines of Earth. The glow comes from a beam of light from a quasar (a luminous source of space energy) that may have gone dark 200,000 years ago.


Called Hanny’s Voorwerp—or Hanny’s Object if you don’t speak Dutch—this oxygen cloud is about the size of our Milky Way galaxy.


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