Spacecraft

Since the early 1960s, dozens of robot spacecraft have
explored the solar system, discovering
much of what we currently know about
our neighborhood in space.
Learn about these pathfinders here!

Planetary Probes	Space Probes
Mercury Mariner 10 Venus Mariner 2 Venera 7 Magellan Pioneer Venus Orbiter Mars Viking 1 & 2 Mars Global Surveyor Mars Pathfinder The Outer Planets Pioneer 10 & 11 Voyager 1 & 2 Galileo Cassini	Cosmic Background Explorer (COBE) Infrared Astronomy Satellite (IRAS) International Ultraviolet Explorer HEAO satellite series ROSAT Compton Gamma-Ray Observatory (CGRO) Hubble Space Telescope (HST)

All spacecraft images courtesy NASA
© The Children's Museum of Indianapolis, 1999