It's hard to understand just how truly big something is without seeing it, or at least having something to compare it to. Understanding how large objects can be in space is a common problem for some ...

In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

If star-hopping aliens ever visited our solar system, Saturn is probably the planet they'd remember. The seven giant rings circling its equator make Saturn the most distinct planet orbiting the sun.