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esiegel | June 27, 2012"I found I could say things with color and shapes that I couldn't say any other way -- things I had no words for." -Georgia O'Keeffe
When it comes to the Universe, it isn't just the stuff that's in it that's important.
Image credit: 2MASS Extended Source Catalog (XSC).
It's also how all that stuff interacts with itself and everything else. To the best of our knowledge, there are four fundamental forces in the Universe, and they're all essential to our existence.
Image credit: Stichting Maharishi University of Management, the Netherlands.
Some of them are familiar, like gravitation. On the…