Question

Scientists have explored only a small portion of space. What evidence is there that gravity exists outside of what they have explored?

Answer 1

Gravity is the force that holds our Solar System together. It allows planets and moons to keep their elliptical orbits around the Sun. Even though humans have explored only a small portion of space, we know that our Solar System orbits the center of the much larger Milky Way galaxy. Without gravity, our Solar System would not be able to maintain this orbit.

Answer 2

well my guess is planets moving and floating is a way of showing that there gravity