How to Measure the Universe

You ever wonder how we know the distance to stars and galaxies millions of light years away? The Royal Observatory Greenwich made this animated video that explains the principles and concepts used to find out. Not since Donald Duck in “Donald in Mathmagic Land” showed us how to use math to shoot pool have I been this engaged in an educational video.

Posted by stateoftrey

Tate Srey - Tate Srey is an artist and an engineer. He is a nerd who likes to lift heavy things and put them back down again. He loves to run and swim and build things. He makes his own wine and beer, and dies a little inside when he has to pay more than $5 for draft. He has a natural affection for people with a teacher's spirit-- those who will share their knowledge and experience with others. Some men just want to watch the world learn. Tate can be found on Facebook, Twitter and LinkedIn.

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