The Planets: Inner Worlds
- Episode aired Jul 24, 2019
- 54m
The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life. Was it always this way?The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life. Was it always this way?The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life. Was it always this way?