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NASA Spitzer Space Telescope • Jet Propulsion Laboratory
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Cool Stars Have Different Mix of Life-Forming Chemicals

Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? A new study from NASA's Spitzer Space Telescope hints that planets around stars cooler than our sun might possess a different mix of potentially life-forming, or "prebiotic," chemicals.

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