Dragon 1

3. The surface of the sun.
5. Stands for Solar and Heliospheric Observatory.
6. giants The four outer planets and they are made mostly of gases.
10. fusion It's a special kind of burning that happens under extreme conditions of heat and pressure.
11. way galaxy A huge, slowly turning spiral stars.
12. The third planet from the sun.

1. The largest planet.
2. A vast cloud of gas and dust in space.
4. system The local group of planets and moons, including Earth, that orbit the sun.
7. It's a huge ball of super hot, glowing gases, 860,000 miles accross.
8. worlds Are called the four planets nearest the sun and have solid surfaces.
9. giant When the sun bloated and expand is called.
11. The smallest planet.