11) What is the fifth planet from the Sun?
12) What is the second planet from the Sun?
13) What is the smallest planet in our Solar System?
14) What was the first planet discovered with a telescope?
15) How many natural satellites does Mars have?
16) How many natural satellites does Earth have?
17) What is the only planet in our solar system with rings?
18) Where is the most water found in our solar system?
19) What is the only planet in our solar system named after a god?
20) Which planet is closest to the sun?