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Waspie_Dwarf

The Fate of Exomoons when Planets Scatter

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Waspie_Dwarf

The Fate of Exomoons when Planets Scatter

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Planet interactions are thought to be common as solar systems are first forming and settling down. A new study suggests that these close encounters could have a significant impact on the moons of giant exoplanets — and they may generate a large population of free-floating exomoons.

 

Chaos in the System

In the planet–planet scattering model of solar-system formation, planets are thought to initially form in closely packed systems. Over time, planets in a system perturb each other, eventually entering an instability phase during which their orbits cross and the planets experience close encounters.

arrow3.gif  Read More: Sky and Telescope

 

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