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Gas and Dust Stop Planets From Eating Their Moons

12 Mar 2020, 08:13 UTC
Gas and Dust Stop Planets From Eating Their Moons Nagoya University

Beyond Earth’s only satellite (the Moon), the Solar System is packed full of moons. In fact, Jupiter alone has 79 known natural satellites while Saturn has the most know moons of any astronomical body – a robust 82. For the longest time, astronomers have theorized that moons form from circumplanetary disks around a parent planet and that the moons and planet form alongside each other.

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