Watch Cosmic Journeys Season 1 Episode 13 Online
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- COUNTRIES: United States of America
- Subtitles: English
Long ago, from the fires of our Sun's birth, twin planets emerged: Venus and Earth. Nature draped one world in the greens and blues of life, while enveloping the other in acid clouds, high heat, and volcanic flows. Why did Venus take such a disastrous turn and Earth developed a vibrant biosphere?