“Bounce” comets may be able to spread life throughout the universe

Scientists suspect that comets may have provided the organic ingredients needed for life to arise on Earth, and new research shows how exoplanets could receive these special supplies from comets, too.

In its early history, Earth was bombarded by asteroids, comets, and other cosmic bodies left over from the formation of the solar system. Scientists are still debating how the planet obtained the water and molecules needed to form life, but comets are likely candidates.

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