Solar System

3. an occurrence during which the Moon moves into the Earth's Shadow
5. the attractive force between all objects having mass
8. a nearly spherical object that orbits the Sun, but shares its orbital path with other objects of similar size
9. an occurrence during which the Moon's shadow appears on Earth's surface
10. the motion of one object around another
13. a day when Earth's Rotation axis is the most toward or away from the Sun

1. a huge collection of gas, dust, and stars held together by gravity
2. in 1500's proposed that Earth orbits the Sun as a Heliocentric model
4. day when Earth's rotation axis is leaning along Earth's orbit, neither toward nor away from the Sun
6. the line on which an object rotates
7. in 1600's Discovered that planets' orbits are ellipses and not circles
11. the path an object follows as it moves around another object
12. a spinning motion