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Tag: grand tack

Formation of the rocky planets: choose your own adventure!

June 29, 2022

This is chapter 6 in the Solar System’s story. This is an action-packed, epic chapter in which a lot of pieces of the puzzle are put together in different ways. (It’s my favorite part.) … More Formation of the rocky planets: choose your own adventure!

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Orbital migration

June 27, 2022

TL;DR: Earth- to Neptune-mass planets migrate through the disk — usually inward, and fast. Giant planets carve gaps in the disk (“anti-donuts”) and migrate slowly, usually inward. Things can get crazy when lots of planets migrate together. … More Orbital migration