... A recent survey of stars conducted with the Spitzer Space Telescope is convincing astronomers that our Milky Way Galaxy is not just your ordinary spiral galaxy anymore. ... Epimetheus sometimes orbits Saturn in front of Janus, another small satellite, but sometimes behind. NGC 281: The Pacman Nebula . ... Like grains of sand on a cosmic beach, individual stars of large spiral galaxy NGC 300 are resolved in this sharp image from the Hubble Space Telescope's Advanced Camera for Surveys (ACS). ...