Orientation

2. Fourth planet in the solar system.
5. How many planets are there in our solar system?
6. what we breathe.
7. always keeps you down.
9. is usually very expensive to build, launch, and operate as it needs very large amount of energy needed to leave the Earth's gravity, Astronauts use it to travel to other planetary bodies.
11. is the biggest star
12. No longer officially considered a planet
13. A man who discovered that gravity keeps the planets in orbit around the sun.

1. The largest planet
2. What is our galaxy name?
3. is to circle around the sun.
4. It always shows Earth the same phase.
8. is the only planet with life.
9. is the center of the solar system
10. is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member aboard a spacecraft.