Across
- 1. Closest planet to the Sun.
- 3. Has a giant ring around it.
- 6. Individuals that travel into space.
- 7. They shine only at night.
Down
- 1. The red planet. Next to planet Earth.
- 2. The biggest planet in our galaxy.
- 4. Hot and fiery. Every planet orbits this star.
- 5. Made up of 70% water. Our home.