Across
- 3. The biggest star in the solar system
- 5. The sun is ____ than all the other stars
- 6. mercury is the____planet next to the sun
Down
- 1. Neil Armstrong was the first to land on the ____.
- 2. earth is heavier than the moon, the moon is____than earth
- 3. space beyond the atmosphere of the earth.
- 4. The sun is the ____ star in the solar system