Journey Through the Solar System: The Fourth Planet (1983) | Episode 07

Journey Through the Solar System was a 13-episode documentary series produced by NASA's Lewis Research Center in 1983. Each half-hour episode contained the entirety or clips of older NASA films with framing host footage with Larry Ross, Director of Space Science at Lewis.

In episode 7, host Larry Ross introduces the NASA film, Mars, the search begins, which shows what Mars probes have revealed about the physical nature of the planet Mars.