From the Planck length to the Observable Universe

[Bobbywhy]

Here is a study in distances based on powers of ten of the meter. It gives easy-to-see graphic examples of relative size, from the Plank length out to the Observable Universe. Imho, a great teaching aid.

http://www.newgrounds.com/portal/view/589217

 

[Ryan_m_b]

How coincidental the first animation is definitely one of my favourite animations. The second one is even better though, check it out!
https://www.physicsforums.com/showthread.php?t=575878