Sombrero Galaxy M104, by Hubble Space Telescope
Sunspot, by TRACE space telescope
Voyager 1 entering heliosheath region at Heliopause, by Walt Feimer, NASA
Hubble Ultra Deep Field, by Hubble Space Telescope
Eagle Nebula, by Hubble Space Telescope
Earthrise at Apollo 8, by William Anders
Pioneer plaque, by Carl Sagan, Frank Drake and Linda Salzman Sagan
Comet Hale-Bopp by
Philipp Salzgeber
Orion Nebula, by Hubble Space Telescope
Crab Nebula, by Hubble Space Telescope
NGC 602, by the Hubble Space Telescope
Helix Nebula, by NASA, ESA, and C.R. O'Dell (Vanderbilt University)
Antennae Galaxies, by NASA, ESA, and the Hubble Heritage Team
NGC 2244, by NASA/JPL
Whirlpool Galaxy and NGC 5195, by NASA/ESA
Infrared image of the core of the Milky Way galaxy, by NASA/JPL-Caltech/S. Stolovy (SSC/Caltech)
Milky Way from Death Valley, by Dan Duriscoe, National Park Service
Mice Galaxies, by Hubble Space Telescope
Geocentric model, by
Bartolomeu Velho (photo by
Joaquim Alves Gaspar)
Eta Carinae, by Hubble Space Telescope
Cosmic microwave background radiation, by NASA/WMAP Science Team
Lunar transit of the Sun, by STEREO
Cone Nebula, by NASA
NGC 1300, by Hubble Space Telescope
NGC 2207 and IC 2163, by Hubble Space Telescope
NGC 1672, by Hubble Space Telescope
Andromeda Galaxy, by NASA/JPL
NGC 5866, by Hubble Space Telescope
NGC 6302, by Hubble Space Telescope