Across
- 3. Known as the Red Planet
- 5. A person who travels into space
- 7. The Sun and all the objects that move around it
- 13. The farthest planet from the Sun
- 14. A space object with gravity so strong that even light can’t escape
- 15. The star at the center of our solar system
- 16. Our galaxy
- 17. A huge group of stars, gas, and dust held together by gravity
- 19. A large round object that travels around a star
- 20. The layer of gases around a planet
- 22. The planet with beautiful rings
- 24. An object that moves around a planet; can be natural or man-made
- 25. The force that pulls objects toward each other
Down
- 1. The path one object takes as it moves around another
- 2. A blue-green planet that spins on its side
- 4. A glowing ball of hot gas that gives off light and heat
- 6. The largest planet in our solar system
- 8. The distance light travels in one year
- 9. A star that explodes brightly at the end of its life
- 10. A tool used to see distant objects in space
- 11. Everything that exists
- 12. a cloud of gas and dust in space
- 16. The planet closest to the Sun
- 18. The hottest planet in our solar system
- 21. The planet we live on
- 23. A rocky object that orbits the Sun, smaller than a planet
