It's a big world out there - or is it?

Posted by Harry Bracegirdle 
on Sep 8, 2011
 
 Click on the link below to get an appreciation of just how small our planet Earth is in relation to the Universe.

Follow the journey in an amazing conceptual slideshow by NASA using powers of ten to zoom to the limits of human
knowledge from the universe to quarks http://tinyurl.com/3zmvaev.

One of many slides in the NASA Slideshow