Across
- 2. largest object in space
- 4. dark plains on the moon
- 5. dirt dust and soil of the moon
- 7. first space telescope
- 8. valley structure or canyon
- 9. dark spots on the sun
Down
- 1. when the moon gets smaller
- 3. when the moon gets bigger
- 5. color of the longest wavelength
- 6. oldest feature of the moon
