Phil Plait on Nostr: A *lot* of wee near-Earth asteroids have even more wee moons orbiting them. Why? The ...

A *lot* of wee near-Earth asteroids have even more wee moons orbiting them. Why?

The main culprit could be… sunlight.

https://www.scientificamerican.com/article/why-do-so-many-tiny-asteroids-have-moons/