Hubble - Alan D. Lum
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Spiral galaxy M81

This NASA/ESA Hubble Space Telescope photo shows the majestic spiral galaxy M81. In the midsts of this galaxy is the supernova 1993J which was recently found to have a companion star which had been hidden in the glow of the supernova for 21 years. The location of the supernova can be seen in the annotated version of this image. Links: NASA Press release Artist's impression of supernova 1993J Supernova 1993J in spiral galaxy M81 Supernova 1993J Scenario for Type IIb supernova 1993J

M81