# Journey Through the Solar System, Episode 7: The Fourth Planet

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. To license this film and get a higher quality version for broadcast/film purposes, contact A/V Geeks LLC .

- Kind: Film
- Year: 1983
- By: NASA; Lewis Research Center
- Genres: Space, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/journey_through_the_solar_system_7_fourth_planet)
- Licence or status: none stated by the archive
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/journey_through_the_solar_system_7_fourth_planet?play=1)