Our Planet Earth

3. the path taken by a body in space as it moves around its center of attraction
6. The zone of transition between light and dark around a sphere
8. all that exists
9. The distance light travels in a vacuum in one year, approximately 5.88 trillion miles
10. a man-made object or vehicle made to orbit the earth; a celestial body orbiting another of larger size
11. one of the vast numbers of systems containing starts, nebulae, star clusters and space debris that make up the universe
12. The force that pushes objects in a curved motion away from the center of the curve
13. The sun and everything that orbits around the sun

1. a complete turn around an axis or point
2. Planets composed of frozen gases
4. Planets composed of rock material similar to Earth's
5. a celestial body that is a few feet to several hundred miles across and has a distinct orbit
7. an imaginary pole that passes through the earth, connecting the North and South Poles
13. a large, luminous ball of gas that is held together by its own gravity
14. Our galaxy