Across
- 5. Planet with its day longer than an year
- 7. Closest galaxy to the MilkyWay
- 8. Planet with most moons
- 9. First satellite in space
- 10. Belt between Mars and Jupiter
Down
- 1. Slows and stops time
- 2. Most abundant element in the universe
- 3. Moon with a frozen ocean
- 4. First human-made object outside the solar system
- 5. Red planet
- 6. Planet with invisible rings
- 11. Brightest star in the night sky