Across
- 2. path an object, like a planet, takes around a star."
- 3. second planet from the Sun, known for being extremely hot."
- 5. frozen space rock that leaves a visible tail of light when it gets close to the Sun.
- 8. called the ""Red Planet""."
Down
- 1. largest planet; it has a famous 'Great Red Spot'.
- 2. huge group of stars, dust, and gas held together by gravity."
- 4. giant star at the centre of our Solar System.
- 6. large, bowl-shaped hole on the surface of a planet or moon."
- 7. natural satellite.
- 9. wide, flat circle of ice and rock that surrounds planets like Saturn."