The "Grand Design" Spiral Galaxy M81 | Hubble
Messier 81 (M81) is a spiral-shaped system of stars, dust, and gas clouds—the galaxy's arms wind all the way down into the nucleus. M81 is located 11.6 million light-years away. The M81 galaxy's large size and relatively high brightness make it a popular target for amateur astronomers. 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, European Space Agency (ESA) and the Hubble Heritage Team (STScI/AURA). Acknowledgment: A. Zezas and J. Huchra (Harvard-Smithsonian Center for Astrophysics)
Release Date: May 28, 2007
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