Across
- 3. system the part of the universe near the sun including the sun, eight planets and their moons
- 4. what keeps you on the ground and what causes objects to fall
- 6. a satellite is an object that has been intentionally placed into orbit.
Down
- 1. Earth, Mars, Neptune and Jupiter are all examples of this word
- 2. An orbit is a regular, repeating path that one object in space takes around another one
- 4. a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity
- 5. The person who goes to space on the spaceship