this post was submitted on 14 Oct 2025
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[–] AbouBenAdhem@lemmy.world 10 points 1 week ago* (last edited 6 days ago) (1 children)

Have we mapped the Kuiper belt well enough to say whether or not there are any planet-sized clear paths inside it?

Edit: Actually, the method they’re using to detect its possible existence it is by looking at how it’s perturbing other Kuiper belt objects—so if they do detect something, it’s because it’s actively clearing its orbit.