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Tag: punctuated equilibrium

Three possible scenarios for the evolution of asteroid belts. Top: A Jupiter-size planet migrates through the belt, scattering material and inhibiting the formation of life on planets. Middle: A Jupiter-size planet moves slightly inward but is just outside the belt (this is the model proposed for our solar system). Bottom: A large planet does not migrate at all, creating a massive asteroid belt. Material from the hefty asteroid belt would bombard planets, possibly preventing life from evolving.

Asteroid belts may be crucial to intelligent life formation – alien life could be rarer than thought

November 5, 2012

When you think of asteroid impacts, the last thing that might come to mind is life. Contrary to popular belief, ...

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© 2007-2025 ZME Science - Not exactly rocket science. All Rights Reserved.