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Tag: comets

Asteroids, comets, and dinosaur-killing impacts

August 17, 2022

Asteroids and comets are the leftovers from the planets’ formation. They’re like the potato peels that end up on the floor instead of in the mashed potatoes. So, what have those leftovers been up to the past few billion years? … More Asteroids, comets, and dinosaur-killing impacts

2 Comments Asteroids, comets, and dinosaur-killing impacts

The giant planet instability (the “Nice model”)

June 30, 2022

TL;DR: The giant planets underwent a dynamical instability that shook up the entire Solar System and likely ejected an extra ice giant. The instability happened early, perhaps triggered by the dispersal of the gaseous planet-forming disk. … More The giant planet instability (the “Nice model”)

5 Comments The giant planet instability (the “Nice model”)

The Solar System’s story

June 23, 2022

This blog series will discuss what we know (and don’t know) about the formation and evolution of our Solar System. … More The Solar System’s story

14 Comments The Solar System’s story
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