In our solar system, a planet near the Sun (center) moves FASTER SLOWER than a planet in the outer part of the solar system.

In our solar system, a planet near the Sun (center) moves FASTER SLOWER than a planet in the outer part of the solar system. A person closer to the center on a Merry-Go-Round moves SLOWER FASTER than a person on the outer part of the Merry-Go-Round. The rotation curve and angular momentum of the solar system suggest that the mass is primarily at the _______________________.