Vocabulary:

4. relating to, composed of, or involving two things
5. discover or identify the presence or existence of
6. cylinder-shaped device for making objects that are far away look
11. find or discover the exact place or position of something
13. the action of exploring an unfamiliar area..
14. in an important way or to an important degree
18. an expert in or student of astronomy
19. A planet outside of our Solar System
20. the outer or top part or layer of something.
22. any of the foods or substances that are combined to make a particular dish

1. the speed of something in a given direction
2. suitable or good enough to live in
3. with the capacity to develop or happen in the future
7. send something out, such as a new ship into the water or a spacecraft into space.
8. follow a curved path around a planet or star
9. a gas with no smell or color, often used as a fuel
10. Sun, planets, and all the other object that revolve around the sun
12. the fact or state of living or having objective reality
15. a substance that flows freely but is of constant volume, having a consistency like that of water or oil
16. move or cause to move unsteadily from side to side
17. a place regarded in various religions as the abode of God (or the gods) and the angels, and of the good after death, often traditionally depicted as being above the sky
21. bend or throw back light or heat; to fold or turn back