Across
- 1. _____ travels 300,000km per second.
- 3. Jupiter has 79 _____.
- 4. Everything is made with the same thing as _____.
- 6. Stars have _____ and helium.
- 8. A group of stars is called a __________.
- 9. A grey spot on Jupiter is a _________.
Down
- 2. Venus is known as Earth's ____.
- 3. The closest planet to the sun and the smallest planet is _______.
- 5. Ten tons of _____ hit the earth every day.
- 7. A dark blue spot on Neptune is a _____.