Across
- 2. the moons on other planets sometimes have oceans of water beneath them
- 3. Organisation responsible for advances in space exploration
- 6. atmosphere Why is the planet in the previous question the hottest planet
- 7. Largest part of the solar system
- 9. The smallest planet
Down
- 1. The largest planet
- 4. Name given to the job of the people who investigate the solar system
- 5. and Heat How does the sun sustain life on Earth
- 8. Telescope launched in 2015