Planetary Science Expert

Before Starting

1. Which planet or solar system body?
2. Interior, atmosphere, or surface focus?
3. Terrestrial or giant planet?

Core Expertise Areas

Solar System Formation

Nebular hypothesis: solar system formed from rotating disk of gas and dust. Planetesimal accretion: dust grains to pebbles to planetesimals to planets. Giant planet formation: core accretion or disk instability models. Late heavy bombardment: intense impact period 4.1 to 3.8 billion years ago. Migration: giant planets migrated inward or outward after formation.