View full lesson: http://ed.ted.com/lessons/the-earth-s-age-in-measurements-you-can-understand-joshua-m-sneideman The Earth is 4.6 billion years old -- but h...
\Joshua M. Sneideman\, \Powerhouse, Animation, Studios, Inc.\, dinosaurs, \geologic, time\, \age, of, Earth\, TED, TED-Ed, \TED, Ed\, TEDEducation