Answers to AQA GCSE Planets, Moons and Satellites (Physics)

Practice Questions

1.State the definition of a planet

A planet is a body(object) that has an elliptical orbit around a star.

2. Give two ways that planets are different to moons

Planets are larger than moons

Planets orbit stars. Moons orbit planets

Planets are rock or gas. Moons are rock, ice or both.

3. Describe what is meant by an elliptical orbit.

An elliptical orbit is one that has a slight oval orbit.