The NASA/ESA Hubble Space Telescope has captured this image of nearby spiral galaxy Messier 61, also known as NGC 4303. The galaxy, located only 55 million light-years away from Earth, is roughly the size of the Milky Way, with a diameter of around 100 000 light-years.
Fuente : http://www.eurekalert.org/pub_releases/2013-06/nsf...
Fuente : http://www.eurekalert.org/pub_releases/2013-06/nsf...