 Here's a deep look into M-66, the owner of unusually asymmetric spiral arms, which seem to climb above the galaxy's main disk and displace nucleus. Astronomers believe that M-66 is once orderly shape, as most likely being distorted by the gravitational pull of its two neighbors. M-66 boasts a remarkable record of supernova explosions. The spiral galaxy has hosted three supernovas since 1989, the latest one occurring in 2009.