Hollow Planets, Stars, Super Massive Black holes

Earth Containment (wide) Earth Containment (close up) hollow planet
Mars north pole (top) Mars north pole (side) Containment Gravity
See Neal Adams' Smaller Mars See Neal Adams' Smaller Earth Visit Neal Adams' Websites
Coke Spheres Illustrate Inertial "gravity" The Twisting Wire Set-up Saturn's North Pole