Across
- 1. A person who travels to space to explore and do science.
- 4. A big ball in space that goes around a star, like the Sun.
- 6. A big, round rock that goes around the Earth. It shines at night.
- 8. The planet we live on. It has land, water, air, and life.
- 9. A house in space where astronauts live and work.
Down
- 2. The Sun and all the planets that go around it.
- 3. Everything in space: all the stars, planets, and galaxies..
- 5. A tool that helps us see things far away, like stars and planets.
- 7. The part of air we need to breathe to stay alive.
- 9. The dark area outside Earth where stars, planets, and the Moon are