NASAのインスタグラム(nasa) - 1月25日 10時38分

NASA Spacecraft Take Aim At Nearby Supernova - An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, occurred in the galaxy M82 and lies only about 12 million light-years away. This makes it the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
Image Credit: NASA/Swift/P. Brown, TAMU
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