Across
- 3. an astronomical body that orbits around a star
- 5. Downgraded to a dwarf planet
- 6. a small solar system body that is made of dust and ice
- 9. These rocks are still in space, they range in size from dust grains to small asteroids.
- 11. Third planet from the sun
- 12. When the meteoroids enter Earth’s atmosphere (or that of another planet) at a high speed and burn up, the fireballs or “shooting stars” are called meteors.
- 13. Earth's ________ period is 24 hour, we experience it as day and night.
Down
- 1. an astronomical body that orbits around a star, is spherical in shape, but has not cleared its orbital neighborhood
- 2. A small, rocky object that orbits the sun.
- 4. It takes Earth 365 days in its _______ around the sun.
- 7. When a meteoroid survives the trip through the atmosphere and hits the ground.
- 8. Earth's only satellite
- 10. an astronomical body that orbits around another astronomical body