A high-definition image of supernova wreckage from NASA's space telescope was revealed as part of the White House's holiday celebrations. The James Webb Space Telescope's image of the Cassiopeia A ...
Pull up your lawn chairs and blankets: A supernova will be erupting on July 2 and it promises to rival any Fourth of July fireworks display. The live stream of supernova 2013df begins at 4 p.m. PDT, 7 ...
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