... The Iris Nebula in a Field of Dust . 24.06.2014 . ... Are Saturn's auroras like Earth's? To help answer this question, the Hubble Space Telescope and the Cassini spacecraft monitored Saturn's South Pole simultaneously as Cassini closed in on the gas giant in January 2004. ... The central bulge of our Milky Way Galaxy rises above a sea of clouds in this ethereal scene. ... The Sun orbits the center of the Milky Way Galaxy. The Milky Way Galaxy orbits in the Local Group of Galaxies. ...