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"We Can Glimpse the Universe Before the Big Bang": One of World's Leading Physicists

The circular patterns within the cosmic microwave background suggest that space and time did not come into being at the Big Bang but that our universe in fact continually cycles through a series of "aeons," according to University of Oxford theoretical physicist Roger Penrose, who says that data collected by NASA's WMAP satellite supports his idea of "conformal cyclic cosmology".

I have come across the concept that the universe is cyclical. This also falls in with the idea that it is a string and given that a string is a particle which has a wavelength, then the universe would have a cycle. It would expand and contract continuously along with other universal strings.