Humason and Hubble

This is a recreation of the story on Mount Wilson Observatory, Humason and Hubble´s work: the Doppler effect. No, Humason did not marry Hubble´s daughter ;-) The video is almost 10 minutes.
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Doppler effect phenomenon ... red shift

There is a video in Youtube about the doppler effect, actually there are many. These are two I found interesting but you may find lots of others. Make comments on anything new to you, what it made you think of, other examples, whatever ...

Doppler Effect: sound and water as samples.
Red shift and galaxy movement.
Big Bang Theory (TV series)