Castles in the Sand: Why I Wonder at Brian Cox’s Universe

Comments 5 by in General
March 7, 2011

The Universe is truly a wondrous thing: the observable part is widely believed to be about 13.75 billion years old with a diameter of 93 billion light years. It is expanding, believed to be propelled by an energy (dark energy) which can not yet be detected by our astronomical instruments. However, it is not expanding…

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