Space Stuffs

2. The fourth planet from the sun that scientists say could be habitable.
6. The branch of science which deals with celestial objects and space.
8. A person trained by a spaceflight program to command, pilot, or serve as a crew member of a spacecraft.
10. When the moons position covers the Sun.
13. A looking device that can help to look up at the night sky.
15. A small planetary body in orbit around the Sun, larger than a meteoroid but smaller than a planet.
17. The sixth planet from the sun, that has the biggest and brightest rings.
18. The seventh planet in our solar system which is made up of ice and rock.
19. A gigantic burning ball of gas that sits at the center of the solar system.

1. The name of the most commonly known space agency on Earth.
2. The name of the Galaxy the Solar System is located in.
3. A concentration of mass so dense that nothing, not even light, can escape its gravitational pull once swallowed up.
4. A pattern of stars that create an image.
5. The poor little dwarf planet that used to be a planet.
7. The biggest planet that has a big red spot on it.
9. A vast collection of stars, gas, and dust, that contains the solar system.
11. The shape that a planet revolves around the sun in.
12. The smallest planet in the Solar System which is the closest to the Sun.
14. The planet furthest from the Sun and is the third most massive planet.
16. The planet we live on.