This revealing title offers readers insight into the many transformations our universe has experienced since its origin fourteen billion years ago. Through dynamic illustrations, diagrams, and accompanying text, readers will learn how the universe evolved to its present state and what theorists predict will happen in the future. The origins of the universe are covered, as are theories regarding existence before the big bang. Furthermore, in covering how astronomical observatories and observation instruments work, this title syncs perfectly with basic scientific principles covered by curricular standards

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