Question
Of the following processes that occurred at the end of the planet-building stage, select all of those
that cleared the solar nebula.
(Note: Wrong choices subtract.)
density differentiation
• accretion
© gravitational ejection of small planetesimals by the large Jovian planets
• condensation
• out-gassing
heats of formation
© sweeping up of space debris by gravitational attraction of the planets
© radiation pressure
• solar wind
Answer
- Gravitational ejection of small planetesimals by the large Jovian planets
- Sweeping up of space debris by gravitational attraction of the planets