Space

2. located beyond the atmosphere of the earth
4. closest planet to earth in size
10. A Space Craft
11. System Is over 4 billion years old, contains planets and dwarf planets.
13. the crew and payload portion of a craft
14. an optical instrument used to make things appear larger
17. a person trained to travel in space
18. Hole a theoretical massive object, formed at the beginning of th universe or by the gravitational collapse of a star exploding as a supernova, whose gravitational field is so intense that no electromagnetic radiation can escape

1. the planet that is the most like earth
3. the planet that sustains life
5. the whole of space and all the stars, planets, and other forms of matter and energy in it.
6. the circular path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.
7. systematic knowledge of the physical or material world gained through observation and experimentation
8. the force of attraction that causes objects to fall towards the earth
9. the curve described by a projectile, rocket, or the like in its flight
12. Eclipse the obscuration of the light of the moon by the intervention of the earth between it and the sun
13. an act or instance of noticing or perceiving
15. system of millions of billions of stars held together by gravitational force
16. a ball of light in space made up of gases creating solar energy