Light echoes from supernova 0509-67.5, which detonated about 160,000 years ago. This light traveled 400 light-years away from the blast, then bounced off dust and gas toward Earth. Credit: NOAO/CTIO/Harvard/A.Rest et al.
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Light echoes from supernova 0509-67.5, which detonated about 160,000 years ago. This light traveled 400 light-years away from the blast, then bounced off dust and gas toward Earth. Credit: NOAO/CTIO/Harvard/A.Rest et al. |
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