Across 4. the 8th planet .It is dark blue. 6. the 4th planet; It is called the red planet. 7. Object composed of dust, and ice, orbit the sun 10. the 7th planet 12. The galaxy containing our Sun and solar system 13. A large round pit caused by the impact of a meteorite. 15. This led to expansion of satellites and global communications 17. Large space rocks that orbit the sun. 19. Our Solar System's star that is made of hydrogen and helium gases, and supplies the heat and light that sustains life on Earth 21. belt of rock that orbits the sun usually between mars and Jupiterr 23. The branch of science which deals with celestial objects, space, and the physical universe as a whole 24. An object in space whose gravity is so strong not even light can escap 26. a force that pulls two objects toward one another 30. Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants. 31. very small 32. a large body in space that orbits a star and does not produce light on its own 33. 365 days 34. the 6th planet 35. extraterrestrial

Down 1. a voyage outside the Earth's atmosphere 2. rounded ball-shaped* circular 3. the 2nd planet.the hottest planet 5. a path of an object as it circles around another object in outer space 8. Everything that exists in space 9. remote 11. the only planet in the solar system on which life is known to exist.the 3rd planet 14. The movement of an object around another object 16. the planets closest to the Sun: Mercury, Venus, Earth, and Mars 18. Made of rock 19. the Sun and the planets and other objects that orbit the Sun 20. the 5th planet; The biggest planet in our solar system.It has at least 63 moons. 22. when an object spins on its axis 25. 24 hours 26. Group of stars and planets made up of stars, dust, and gas 27. Orbits earth; It's a satellite. 28. the 1st planet in our solar system; It is the smallest.It's the closest to the Sun. 29. A huge ball of gases that makes its own heat and light