Answer:
Universal Gravitation, it is a force that keeps the moon orbiting around earth (or you could also add "it is the force that keeps all planets in our solar system orbiting around the sun.'
Step-by-step explanation:
Well, my teacher taught me that the "Big blue title" is the question and the "red title" would be your answer.
(I hope this helps! and i'm sorry if the answer is wrong.)
-I tried.