Universe--Four Origin Mysteries

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Features: 150 billion years ago, a "primordial atom" with extremely high temperature and density exploded. The matter from the explosion gradually formed the universe we see today during its movement. This history is grand, winding, and incredible. The current universe is truly magical, and the most magical thing people see is the diverse planets in the universe. The author of this book will take you into the universe, let you appreciate the universe, and understand the history of the universe.