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From Ptolemy's Spheres to Dark Energy: Discovering the Universe (Chain Reactions)
From Ptolemy's Spheres to Dark Energy Discovering the Universe - Chain Reactions Author:John Farndon How did the Universe begin? Who first measured the distance to a star? What is the mysterious force called dark energy? This title tells the amazing story of astronomy, from the ancient belief that all the planets revolve around Earth to the latest discove