Across
- 3. The moon is a natural___________ of Earth.
- 5. All the planets in the solar system__________the
- 6. The first man walked on the____________in 1969.
- 7. An_________is similar to a planet, but much
- 9. Jupiter is the largest__________in our solar system
Down
- 1. The__________contains a huge number of galaxies.
- 2. Our________is called the Milky Way.
- 4. Humans can’t breathe the___________ on Mars.
- 8. The sun is the____________ in our solar system.