Question

Answer the following questions, clearly explaining your reasoning & showing your work.

1. What is the difference between a protoplanet and a planet?

2. What role do planetesimals play in the origin of the planets?

3. Discuss similarities and differences in the way terrestrial planets and giant planets formed in our Solar System.

6. Explain the methods by which most planets were discovered around other stars, both in the early stages and more recently.

15. Give two reasons why the discoveries of “ super-Earth ” exoplanets instead of much more massive planets are important.

Answer 1