Astronomy

4. The part of the year when it snows
5. Phase of the moon you can't see
7. a planet moves in its ellipse so that the line between it and the Sun placed at a focus sweeps out equal areas in equal times.
10. Phase of the moon we can see completely
12. Newton made a law surrounding the forces between two objects

1. Closest planet in our solar system
2. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
3. Something that illuminates light (was used before power)
6. My least favorite subject
8. Something you can text on
9. Another name for when the moon appears
11. A terrestrial planet