Across
- 3. the circular movement of an object, such as a planet or moon, around an object that can hold it in place with gravity, such as a sun or large planet
- 4. the way objects seem based on how they look
- 5. a giant ball of hot, glowing gases
- 10. how something looks
- 11. planet the four large planets farthest from the sun that are made of ice and gases
- 12. planets the four rocky planets closest to the sun
- 14. a straight line extending from side to side through the center of a round figure
Down
- 1. system the planets, asteroids, and comets that orbit the sun, as well as the planets' moons
- 2. a unit of measure distance that is based on how far light travels in a year
- 6. to see or observe Galaxy: a massive group of stars, gas, and dust in space
- 7. hole an area in space where gravity is so strong that nothing around it can escape, not even light
- 8. a chunk of rock in space that orbits the sun
- 9. a large, round piece of rock that revolves around a planet
- 13. chunk of rock, dust, and ice with stretched-out orbits around the sun