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2. is a force of attraction between two objects.
7. is when energy heats the sun so much that it causes particles to explode into outer space
8. is the curved path of an object around a star, a planet, or a moon
9. It is the farthest planet from the sun
11. is a satellite made of rock and ice that orbits a planet
12. It is the movement of one object around another object.
13. is a huge ball of very hot matter that gives off energy.
14. it is the hottest planet in the solar system
15. is smallest of the inner planets
16. is an imaginary line that goes through the center of an object.
17. it is the largest of the inner planets

1. is the distance light travels in one year (9 trillion km)
3. It is the spinning of Earth and other bodies in space on an axis
4. is the layer that we see when we look at the sun
5. They are chunks of rock that measure in size from a meter to several kilometers in diameter.
6. It is the fifth planet from the sun
10. They are chunks of ice and dust or rock that have stretched out orbits around the sun.
11. known as the red planet