374. How big is the Universe: video of the day
ASTRO — By Dmitry Podolsky on April 27, 2009 at 10:11 pm
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Dmitry Podolsky has got his PhD from Landau Institute for Theoretical Physics. He currently works as postdoc at Case Western Reserve University. He is also one of the editors of NEQNET.
Well, if you recall that it takes more than 3 years for a photon emitted by the Sun to reach the nearest star… the size of the causal patch, 14 billion light years, should impress you 
If words did not really impress you, then maybe this nice video will -
Update: Daniel also liked this video, although the scales expressed there are astrophysical rather than cosmological
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I don’t know why, but this impressed me much more:
http://www.youtube.com/watch?v.....re=related
This music makes me feel angry instead of making me feel small
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