Space

2. law of universal gravitation: a mathematical rule that tells us how the strength of the force of gravity depends on the mass and distance
5. A group of stars dust gas and other objects held together by gravitational forces
6. an object in space made mostly of ice and dust
8. A chunk of burning Rock traveling through Earth's atmosphere
9. Way galaxy: the spiral galaxy to which our solar system belongs
10. planets: Jupiter Saturn Uranus and Neptune
14. an object that orbits the sun but is too small to be a planet

1. system: the sun, planets, other moons, and other objects that are gravitationally bound to the sun.
2. fusion: Reactions that combine Light Elements such as hydrogen into heavier elements such as helium releasing energy
3. a cycle of rising and falling sea levels that repeats every 12 hours
4. an enormous hot ball of gas held together by gravity that produces energy through nuclear fusion reactions in its core.
7. a meteor that passes through Earth's atmosphere and Strikes the ground
11. unit: a distance equal to 150 million kilometers, or the distance from the Earth to the sun.
12. The repeating circular (or elliptical path) an object takes around a gravity Source such as a planet or star
13. year: The distance light travels through space in one year- 9.46x10 to the 12thkm