How Big is the Solar System? – VIDEO

Hanson

PBS' resident smartpants Joe Hanson says it's so big our puny human brains can't really fathom it so he's out in the field (literally) with a grapefruit to show us its real size.

Watch, AFTER THE JUMP...

And, in breaking planet news, Neptune has a new moon, its 14th!

Posted July 15, 2013 at 2:46pm ETC by Andy Towle
in Joe Hanson, News, Space