The Planets : Inner Worlds | NOVA
Wed Mar. 8 at 9:30PM on WKAR-HD 23.1 & STREAMING | The rocky planets Mercury, Venus, Earth and Mars all have similar origins, but only one supports life.
The rocky planets—Mercury, Venus, Earth and Mars—were born of similar material around the same time. Yet only one of them supports life. Were Earth's neighbors always so extreme? And is there somewhere else in the solar system life might flourish?
This special is available to watch live during its airdate on the WKAR Livestream.