Astronomy Picture of the Day . ... This serene view records a late summer night sky over the rolling, green hills of planet Earth. ... The first identified compact galaxy group, Stephan's Quintet is featured in this stunning image from the newly upgraded Hubble Space Telescope. About 300 million light-years away, only four galaxies of the group are actually locked in a cosmic dance of repeated close encounters. ... The Milky Way Galaxy orbits in the Local Group of Galaxies. ... First page ] Prev. ...