8 Things You Didn't Know About Disney World Rides

Space Mountain 1 of 9

Opened in 1975, Space Mountain is still one of most popular rides at Disney World.

Out of this world facts:

  • The first riders were actual astronauts Gordon Cooper, Jim Irwin, and Scott Carpenter.
  • Each passenger car holds six riders.
  • The ride only reaches a peak of 28 mph but feels faster due to the complete darkness.