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Spiral galaxy M81

Spiral galaxy M81

Hubble Space Telescope

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.

Credit
NASA , ESA , A. Zezas (CfA), and A. Filippenko (UC Berkeley) Acknowledgment: Hubble Heritage Team (STScI/AURA) & O. Fox (University of California, Berkeley)
Licence
CC BY 4.0
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