Across
- 2. A famous space telescope
- 3. Related to the moon
- 5. A planet outside our solar system
- 6. A rapidly spinning neutron star
- 8. A cooler, darker spot on the sun's surface
- 10. The North Star
Down
- 1. When day and night are of equal length
- 4. Planet with large rings
- 7. NASA missions to the moon
- 9. The universe seen as a well-ordered whole