As our catalog of planetary systems in the Milky Way grows, it becomes increasingly clear how very different our Solar System could have been.
Kane wanted to know what would happen to the Solar System if he filled both gaps in one fell swoop; he created simulations in which he plopped a planet with a range of masses between Mars and Jupiter right in that space, and watched the chaos ensue."This fictional planet gives a nudge to Jupiter that is just enough to destabilize everything else,"."Despite many astronomers having wished for this extra planet, it's a good thing we don't have it.
Evidence already suggests that Jupiter plays a role in Earth's habitability, protecting us from asteroid bombardment. Kane's work suggests that it plays another role in stabilizing the Solar System: astronomers believe thatprevents a planet from forming in the space the asteroid belt inhabits.
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