Space Crossword

3. Oval shape of a planet's orbit around the sun
5. A space probe that lands on a planet
8. A satellite made by humans.
10. An orbit where a satellite passes over the North and South Poles.
11. A star that we orbit around
13. An orbit where the satellite is over the equator and takes exactly 24 hours to circle the Earth so it always stays over the same area.
15. A huge ball of gas that gives out heat and light energy
16. A large object orbiting a star
17. The amount of matter that something is made of

1. A rocky body orbiting the Sun that is not quite big enough to be called a planet.
2. The amount of force of which gravity pulls towards the Earth.
4. The force of attraction between any two objects
6. A satellite that has not been made by humans.
7. The unit of force
9. A space probe that lands on a planet or moon
12. A star with planets and other objects orbiting it
13. Millions of stars grouped together.
14. A space probe that goes into orbit around a planet or moon