What allows complex life on Earth to evolve, according to hypotheses about Jupiter's protective work?
Answer
The fact that the rate of bombardment over four billion years was kept tolerable
The existence of complex life on Earth is hypothesized to be directly contingent upon Jupiter's long-term guardianship. The early solar system was far more chaotic, characterized by numerous impacts. Jupiter's consistent action over billions of years—sweeping away hazardous objects—kept the frequency of large-scale impacts low enough for life to have the necessary continuous, relatively calm conditions required to evolve beyond simple forms. This stability, coupled with a steady solar energy input, is presented as a testament to Jupiter's role as a system stabilizer.

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What If Jupiter Never Existed? - YouTube
What If Jupiter Never Existed? - YouTube
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