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We live in an Unknown Universe, at least unknown to us of Planet Earth. This video is a Wonderful tribute to our amazing and Unknown universe of my...

The Biggest Stars in the Universe, comparison of planet Sizes, Star Sizes, Life in the Universe,..

Original video by: morn1415 http://www.youtube....

Size comparison of planets and stars

Radius of the earth: about 6400km - and nothing compared to the rest of the universe...

Music: Theme from DU...

Discovery Channel shows Earth, compared to the Sun, and then to a few other massive stars in our own Milky Way

Remember the old trampoline analogy taught in every school? It doesn't come even close to what it should be representing. This video is a collectio...

The Danish physicist Niels Bohr, was the first to describe orbits of fixed size and energy in which electrons are free to travel without losing ene...

http://www.encognitive.com

We may suspect that quantum mechanics and consciousness are related, but the details are not at all clear. In this paper...