Planet Earth

3. A natural or artificial body that orbits a planet
5. An imaginary line around the Earth parallel to the Equator
6. A huge ball of very hot gases in space
8. the relationship between the distance shown on a map and the actual distance
10. Distance between a place on the Earth's surface and the Greenwich Meridian
12. A two-dimensional, or flat, representation of Earth's surface
14. The imaginary line around which Earth rotates
16. Imaginary line that runs around the earth and divides it into the Northern and Southern Hemispheres
18. A way of representing the spherical Earth on a flat surface
19. Numbers used to give the exact location of a place on the Earth
20. An imaginary line that connects the North Pole and the South Pole

1. Imaginary line running through Greenwich, England, from the North to the South pole at 0 degrees longitude
2. Distance between a place on the Earth's surface and the Equator
4. Sun, planets, and other objects that orbit the sun
5. A celestial body moving in an elliptical orbit around a star
7. A map that shows surface features of an area such as mountains, rivers, roads
9. A large group of stars and planets held together by gravity
11. The name of our galaxy, that contains the Earth and the Solar System
13. Areas between two meridians sharing the same time
15. The science of making maps
17. One half of the Earth