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This is the surprise:

> Data from the New Horizons probe as it sails serenely through the Kuiper Belt hints at unexpected levels of particles where dust ought to be thinning out, suggesting the donut-shaped field extends significantly farther from the Sun than previous estimates suggest.

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I'm surprised to see a clickbait headline like this on HN. Thanks for posting that info.

Does that dust explain some gravitational anomalies?

im no astrophysicist, but if you mean the anomolies that lead us to believe that there may be a planet 9, I dont think so. This dust would be assumed to be spread around evenly, and the anomalies that make us think there is another planet would have to be clustered together in an orbit.

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