Most everyone knows that our universe is an amazingly vast place that the human mind will likely never be able to truly comprehend, but relatively few realize just how far it is even to our closest planetary neighbors.

Take for instance the distance to that favorite fodder for countless science fiction books, the planet Mars.

Many of us have been fascinated by the “Red Planet” for our entire lives, but actually going there would take a lot longer than a typical vacation would allow.  [Read more…]