Earth and Space

4. The unit of measurement to measure the distance light travels within a year.
6. A planet that has the same surface as the moon as it is covered with craters.
7. Balls of ice coated with organic material. Originally cold but when near the sun they heat up causing them to disperse dust and gas.
8. A moment where the moon is between both the sun and the earth causing a shadow to be cast onto the earth.
9. An explanation/theory that states that the universe formed through a colossal explosion.
11. The occurrence of a series of different colours of lights within the sky usually in the northern hemisphere.
14. They are objects can be the size of dust grains or asteroids and are also called space rocks.

1. Made up of 8 planets, the sun, 138 moons, asteroids, and space rocks.
2. A stage where a star begins to be visible as it creates strong winds to push away the surrounding molecules and gas.
3. The planet that relatively is the same size as the earth.
5. The stage in which gases and dust clump together because of gravity creating these objects that convert hydrogen into helium.
10. A collection of gas, dust, and billions of stars in an area.
12. A stage in which a star runs out of hydrogen and helium fusing into carbon occurs within the star’s core.
13. The second-largest planet on the solar system that has rocks and ice orbiting around it to form a ring.