Grand tack hypothesis

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Arts and letters

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What Wikipedia says

In planetary astronomy, the grand tack hypothesis proposes that Jupiter formed at a distance of 3.5 AU from the Sun, then migrated inward to 1.5 AU, before reversing course due to capturing Saturn in an orbital resonance, eventually halting near its current orbit at 5.2 AU.

Excerpt from the Wikipedia article “Grand tack hypothesis”, under the CC BY-SA 4.0 license. Read the article on Wikipedia