apr 112013
Anne's Picture of the Day: Spiral Galaxy Messier 83

April 11, 2013 Messier 83, a barred spiral galaxy in Hydra Image Credit: ESO Messier 83 (also known as NGC 5236 and the Southern Pinwheel for its majestic spiral arms) is a barred spiral galaxy of some 40,000 light-years across, located about 14.7 million light-years away in the southern constellation of Hydra, the Water-Snake, while [continue reading]