Questions tagged [rogue-planet]

Questions about planets that do not orbit around a star. These planets travel through space.

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Detecting a Rogue Planet from Earth

This is for a novel. A rogue planet, is, by a one-in-a-zillion freak chance, on its way to collide with Earth. It has been drifting in interstellar space since its original formation (billions of ...
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What would happen to the atmosphere of a rogue jovian planet?

Let's say we have a gas giant composed primarily of hydrogen and hydrogen-rich molecules that is ejected from its star system. As this planet embarks on its potentially infinite journey out into the ...
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If the hypothetical planet beyond the Kuiper belt exists, is it likely there are even more planets farther outside?

Since 2016 there are hints that a (probably) ice giant planet may exist far beyond the Kuiper belt. There are speculations that it may be a rogue planet captured by the Sun. But is it likely that ...