Today In The Space World on MSN

The mind-boggling scale of the solar system and universe

The scale of the Solar System is already overwhelming, but it is only the beginning. From the Moon and Mars to Voyager, the ...
insider.si.edu

Planet Walk: University of Delaware Scale Model Solar System, (sculpture)

A scale model of the solar system, with each planet depicted in relief on individual square granite markers installed atop concrete bases embedded in the ground. Each planet bears a laser etched ...