Across
- 1. planet closest to the sun
- 2. planet that is tilted on it's side
- 6. one trip around the sun is called a ____
- 13. used to measure distance in space
- 16. humans that go into space
- 17. government agency that studies space
- 19. name of the star in our galaxy
- 20. the "Great Red Spot" is a ____ on Jupiter
- 21. a group of stars that create a shape
- 22. a star with orbiting planets
- 26. invisible force that keeps humans on earth
- 27. humans live here
- 28. ball of rock that orbits a planet
Down
- 1. also called the "red planet"
- 3. travel through space and send information back to Earth
- 4. astronauts use these to go to space
- 5. name of our galaxy
- 7. a supernova is the ____ of a star
- 8. life forms from other planets
- 9. biggest planet in the solar system
- 10. dwarf planet in our solar system
- 11. hottest planet in the solar system
- 12. has rings around it
- 14. balls of frozen gas/rock that orbit the Sun
- 15. planets ___ the sun
- 18. light shows in the sky by south/north poles
- 22. big balls of gas that create light and heat
- 23. number of planets in our solar system
- 24. study of the universe
- 25. planet farthest from the sun