Across
- 4. a small rock that goes through the earth's atmosphere such that part of it strikes the ground
- 6. planet with the brightest rings
- 8. the force that pulls you toward the center of a planet or a star
- 10. an American space traveler
- 11. the warmest planet, a cloudy planet
- 12. region located between Mars and Jupiter with millions of rocky objects
- 16. a place where astronauts live and work in space
- 17. the only natural satellite of Earth
Down
- 1. gas giant known by its Great Red Spot
- 2. planet that rotates in its side
- 3. our sun and the objects that orbit around it
- 4. planet with the thinnest atmospheres and extreme changes in temperature. It is closet to the Sun
- 5. to turn on an axis
- 7. movement around the sun
- 9. instrument used to observe and study the planets more clearly
- 13. made of Hydrogen and Helium and where nuclear fusion takes place
- 14. trajectory or repeating path that one object in space takes around another one
- 15. humans have sent rovers here, also known as the red planet