The Universe

3. Defines the limit of our Solar System.
4. It is very cold, despite looking warm.
7. Objects in space that range in size from dust grains to small asteroids.
8. Known as the smallest constellation in the sky.
9. It tilts at roughly 66 degrees.
11. It is the second largest planet.
12. It has the coldest temperature in our Solar System.
14. Frozen leftovers from the formation of the Solar System composed of dust, rock, and ices.
16. Meteoroids that enter Earth’s atmosphere at high speed and burn up, creating fireballs or “shooting stars".
17. Known as the largest constellation in the sky.
18. Group of stars that looks like a particular shape in the sky and has been given a name.
19. It is the only planet in our Solar System not visible to the naked eye.

1. Massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources.
2. It has the shortest rotation period.
4. Meteoroid that survives a trip through the atmosphere and hits the ground.
5. Consists mainly of small bodies or remnants from when the Solar System formed, including Dwarf Planets.
6. This planet has no seasons.
10. It is referred to as Earth's sister planet.
13. Small, rocky objects that orbit the Sun.
15. Human made objects that are in Earth's orbit.
16. It is a natural satellite, larger than any known Dwarf Planet.