Across
- 7. A gray, rocky planet with a surface like the moon which is close to the sun. The name of the planet is also an element on Periodic Table.
- 8. This is a stage in the middle of a medium star's life cycle. Gravity pressure and outward pressure come together to give the star a solid shape
- 9. A unit of measurement in astronomy used to describe the distance light travels in a year.
- 10. This is a stage in the beginning of a small star's life cycle. In this stage, a small clump of molecules is created in a gas cloud due to heat energy.
- 12. Spaces with a large cluster of stars and dust in the universe that are sometimes over a billion years old. ex. Milky Way
- 13. A system that contains a star with planets and other celestial bodies orbiting it.
- 14. The theory for how Earth came into existence from an incredibly large cosmic explosion.
Down
- 1. The fourth-largest planet in our solar system with harsh winds. The gas planet is a ocean blue color and is named after a Roman god.
- 2. An electrical display of different colored lights in the sky due to charged particles from the sun's solar flare coming in contact with atoms in our atmosphere. Sometimes referred to as "polar lights."
- 3. The sixth planet from the sun and has rings around it. It is also the second-largest planet in the solar system.
- 4. Occurs when the moon comes in front of the sun and casts a shadow on certain sections of the earth. During this, the sun, earth , and moon are aligned.
- 5. A snowball object made up of dust, rock, and gases frozen together that orbits the sun. They also have a streak behind them made from gases and dust that looks like a tail.
- 6. A piece of metal or rock that survives its journey through the arts atmosphere. Essentially a meteor that makes it to earth.
- 11. This is a stage near the end of a large star's life cycle. The core of the star collapses in on itself causing the star to expand. The star also turns red
