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The Planets: Inner Worlds

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Rise of the Mammals

Rise of the Mammals

Season 46 Episode 17
53:15
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Polar Extremes

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NOVA

The Planets: Inner Worlds

Season 46 Episode 12

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?

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Airdates
Wednesday Jul 15, 11:00 PM PDT on PBS SoCal
Thursday Jul 16, 4:00 AM PDT on PBS SoCal
Sunday Jul 19, 11:00 PM PDT on PBS SoCal Plus
Saturday Jul 25, 10:00 PM PDT on PBS SoCal Encore
Monday Jul 27, 9:00 PM PDT on PBS SoCal Encore
Wednesday Jul 29, 3:00 AM PDT on PBS SoCal Encore
Wednesday Jul 29, 9:00 AM PDT on PBS SoCal Encore
Wednesday Jul 29, 3:00 PM PDT on PBS SoCal Encore
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