| Summary: | Mapping our existence - How Big is the Universe? (Horizon) discovers that in the last few years, astronomers and particle physicists have found new ways to probe the cosmos and are creating detailed maps that stretch almost all the way to the birth of time - 13.6 billion years ago. Using an innovative graphic that reveals the scale and wonder of the universe, How Big is the Universe? (Horizon) travels from east to west, in to the setting sun and the wheeling cosmos, and all the way to the edge of existence, unlocking some surprising stories. Are there parallel universes beyond our own? Does our universe have an edge? There is evidence to suggest that the universe next door is already knocking--How Big is the Universe? (Horizon) is an innovative BBC science programme that explores the size of our cosmos and looks at how scientists are exploring our universe and beyond.
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