When the Earth Had Two Moons: Cannibal Planets, Icy Giants, Dirty Comets, Dreadful Orbits, and the Origins of the Night Sky

When the Earth Had Two Moons by planetary scientist Erik Asphaug is an exploration of how violence and chance shaped the familiar order of the solar system. Using the tools of modern planetary science, especially impact modeling and comparative geolo...

When the Earth Had Two Moons: Cannibal Planets, Icy Giants, Dirty Comets, Dreadful Orbits, and the Origins of the Night Sky
When the Earth Had Two Moons: Cannibal Planets, Icy Giants, Dirty Comets, Dreadful Orbits, and the Origins of the Night Sky
Erik Asphaug
When the Earth Had Two Moons by planetary scientist Erik Asphaug is an exploration of how violence and chance shaped the familiar order of the solar system. Using the tools of modern planetary science, especially impact modeling and comparative geolo...

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