Outer Space Crossword!

4. A group of stars in the sky.
6. A ball of shining gas, made mostly of hydrogen and helium, held together by its own gravity. Turning hydrogen into helium creates the energy that makes stars shine.
7. Rocks floating around in space.
8. A force that pulls matter together.
9. The streak of light caused when a meteoroid enters a planet’s atmosphere and starts to burn from the heat of friction.
11. A place in space where matter and light cannot escape if they fall in.
12. A cloud of dust or gas found between stars.

1. Compact area in the center of a massive galaxy that is around a supermassive black hole. They are some of the brightest objects in the universe.
2. The curved path that a planet, satellite, or spacecraft moves as it circles around another object.
3. All of space and time, and everything in it. It’s everything ever!
4. An icy rock that lets off gas and dust, which may form tails when it is flying close to a sun.
5. A collection of thousands to billions of stars held together by gravity. We live in the Milky Way.
6. The explosion of a star that makes it as bright as a whole galaxy.
9. A natural object that travels around a bigger natural object. The Earth has one we see at night.
10. A large body in outer space that circles around the sun or another star.