Before and after: The object (bright spot at the center of both images) in galaxy M82 is believed to be a black hole as massive as 500 suns that dramatically brightened in a period of three months.
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Before and after: The object (bright spot at the center of both images) in galaxy M82 is believed to be a black hole as massive as 500 suns that dramatically brightened in a period of three months. |
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