A great article by the Khan Academy about the scale of the 'visible' universe. I always love thinking about these things.
http://www.upworthy.com/feel-like-having-your-teeny-little-mind-blown-jus... Read More
http://www.upworthy.com/feel-like-having-your-teeny-little-mind-blown-jus... Read More
A great article by the Khan Academy about the scale of the 'visible' universe. I always love thinking about these things.
http://www.upworthy.com/feel-like-having-your-teeny-little-mind-blown-just-start-watching-it-wont-take-long-2?c=ufb1 Read Less
http://www.upworthy.com/feel-like-having-your-teeny-little-mind-blown-just-start-watching-it-wont-take-long-2?c=ufb1 Read Less