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Episode 155: Looking for Life

Play Apr 10•4:19

Astronomers know that complex molecules are required building blocks for life, and can indicate that biological activity is present on distant worlds. Methane, which can come from volcanic eruptions, among other sources, is a key ingredient for the formation of life and also a by-product of microbial activity. Locator for HD 189733. HubbleSite news release about the discovery. Space.com st...

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