Space crossword

2. The natural satellite of a planet
7. A small rocky body orbiting the sun in large numbers. They’re like planet not with the same structure
9. A hypothetical space object about the size of Mars that many astronomers believe once existed in the solar system
11. A body of hot gasses that makes it’s own light and heat
12. A force that attracts a living object (maybe not living) towards any other physical body having mass
14. A big cloud of dust and gas between stars
15. A large body of matter in orbit around the sun or a star and thought to be developing into a planet

1. A body orbiting around the sun or a star, with it’s own gravity and it’s own orbit
3. A repeating path of one object around an other one
4. A system of billions of stars, together with gas and dust, held together by a gravitational attraction
5. Object in space that travels around the sun; made of dust and gas, sometimes forms a long , bright tail
6. The rapid expansion of matter, the origin of universe, a big explosion
8. Small particles of matter floating through space that are believed to make up all matter in the known universe
10. All of space, all the mater and energy that orbit it
11. Explosion of a dying star
13. The fourth most abundant element in earth’s crust and the major constituent of the earth’s core