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