Riddle #3: The Turtles on Mars

Why did the turtles on Mars refuse to do their space mission?

We're not sure, but we have a few theories:

• We heard they wanted to stay for the pizza.
• We suspect they were afraid of the red sand.
• Or maybe they just really liked their shell-ebrary.

Want to know the answer? Click here for riddle #4! or Check out some turtle trivia!