NOVA - Season 4 Episode 14
NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could support life. Questions raised by NASA's 1976 Viking mariner missions about how the vast canyons were formed are also explored.
First Air Date : 1974-03-03
Last Air date : 2024-10-09
Runtime : 57 minutes
Genre : Documentary
Cast :
Crew :
Quality : 
Subtitles :
- Season 4 : Episode 11977-01-05
- Season 4 : Episode 21977-01-12
- Season 4 : Episode 31977-01-19
- Season 4 : Episode 41977-02-02
- Season 4 : Episode 51977-02-09
- Season 4 : Episode 61977-02-23
- Season 4 : Episode 71977-03-02
- Season 4 : Episode 81977-03-09
- Season 4 : Episode 91977-03-16
- Season 4 : Episode 101977-03-23
- Season 4 : Episode 111977-03-30
- Season 4 : Episode 121977-04-20
- Season 4 : Episode 131977-04-20
- Season 4 : Episode 141977-04-27
- Season 4 : Episode 151977-05-11
- Season 4 : Episode 161977-05-18
- Season 4 : Episode 171977-06-01
- Season 4 : Episode 181977-06-22
- Season 4 : Episode 191977-06-29
