Things used to be so simple. Comets were snowballs from the outer Solar System, and asteroids were rocks from the inner Solar System. But now everything’s all shades of grey. Astronomers have found asteroids that behave like comets and comets that behave like asteroids.
In this episode we mentioned donations. Click to learn more!
- Asteroids (Wikipedia)
- Asteroid overview (NASA)
- What Is an Asteroid? (NASA’s Space Place)
- Asteroid Belt: Facts & Formation (Space.com)
- Trojan Asteroids (Swinburne Astronomy Online)
- Comets (Wikipedia)
- Comets overview (NASA)
- Comet Facts (NinePlanets.org)
- Comets, Meteors & Asteroids (Ask an Astronomer)
- What’s the difference between asteroids, meteoroids, meteors, meteorites and comets? (Sun.org)
- What is the Difference Between Asteroids and Comets? (Universe Today)
- Cryovolcanism (Wikipedia)
- Cryovolcanism in the Outer Solar System (Science Direct)
- Cryovolcanism Helped Shape Dwarf Planet Ceres (Planetary Science Institute)