Dwarf Planets: Pluto, Charon, Ceres, and Eris

They're like major planets, but not quite. They circle around the sun. They're round. But they haven't cleared everything out of their path. Explore these unusual objects in this book about the dwarf planets.

© 2020 Capstone Press (ספר מוקלט): 9781479541034

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ספר מוקלט: 17 באפריל 2020