Our Solar System

3. What other dwarf planet is about the same size as Pluto?
7. This ice giant planet's year is 164.81 Earth years.
9. Jupiter has only a ______ inter core.
11. Neptune is the _______ giant in our solar system.
13. What is the name of the planet that is 4.543 billion years old?
14. The _______ planet in our solar system is Uranus.
16. What is the smallest planets that doesn't have any rings nor moons?
19. The Earth orbits the sun at ______ kilometers per second.
20. Saturn's _____ are the only ones that you can from Earth.
23. Mercury is the closest planet to the …
24. First planet discovered with a telescope in 1781 by William Herschel?
25. The ________ planet in our solar system is Venus.
26. Meteoroids can be found at the edge of the solar system in the ____ cloud.
27. What famous moon is popular for its geysers and salty water under frozen shells of ice?

1. The planet Pluto lies in the ______ belt and is smaller than the Moon.
2. What planet did the Soviet Union land 10 probes on its surface?
4. The planet that is made up of the same ingredients as a star but did not grow big enough to ignite is?
5. What famous moon is habitable for humans because of its environment suitable for life?
6. Comets have two types of tails the gas tails and the ____ tail.
8. What is the biggest and second largest known dwarf planet in solar system is named?
10. ________ are the minor planets of the inner solar system.
12. Some asteroids are rich in _____ and some could become moon of certain planets.
15. What planets has 83 moons and only 63 are named?
16. What are small, rocky or metallic bodies in outer space?
17. What planet has a thin atmosphere made up of carbon dioxide, nitrogen, and argon?
18. The biggest moon that orbits Mars is …
21. The only other planet other than Earth with white-peaked mountain but instead of being made of snow it's made up of methane frost.
22. What are loose balls of ice and rocks that have long narrow orbits around the sun that help them develop a tail?