Being a planetesimal ain’t easy. But sometimes to make it big you have to first get broken down.
Violent collisions give rise to some of the densest, most massive planets in our galaxy.
What can we say about planet formation around the smallest stars in the universe?
The resulting chaos in dynamically unstable planetary systems exhibits a surprising underlying order. This may be a clue to understanding this convoluted process.
Gas giant planets are most common around metal-rich stars. But are the planets themselves also metal-rich?