Jupiter’s role in impacts on Earth – Is Jupiter Earth’s Guardian or Ultimate Destroyer?

Recent computer simulations on Jupiter’s role as guardian of the terrestrial planets has shown that while the gas giant’s mass appears to provide increased protection against asteroids, the total effect on all orbital bodies within the Solar System is unclear.

Some studies show that Jupiter has caused more impacts on Earth than it has prevented.[54] Such models would appear to invalidate the argument that Jupiter-like planets as necessary protectors.[citation needed] The role of Jupiter, has since been revised by the Nice model.

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