Saturn’s moon Phoebe could have been a planet

When it comes to Saturn’s moons, Phoebe tends to be overshadowed by its siblings. Titan’s size earns her the title of Saturn’s biggest moon (and the second-biggest moon in our solar system), while Enceladus boasts those attention-getting fountains of water and ice pouring from its south pole. But new data from the Cassini mission shows that Phoebe might be more interesting than we thought, with a different origin and more planet-like qualities than Saturn’s other moons.

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