Across
- 5. the average distance between the sun and Earth - approximately 150,000,000 km.
- 6. Natural or artificial bodies that revolve around larger bodies.
Down
- 1. also known as the outer planets, these planets have deep, massive atmospheres rather than hard and rocky surfaces.
- 2. rotation that is the counterclockwise spin of a planet or moon as seen from above the planet’s North Pole.
- 3. planets Also known as the inner planets, they are very dense and rocky.
- 4. rotation that is the clockwise spin of a planet or moon as seen from above the planet’s North Pole.