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Questions on astronomical objects orbiting a star massive enough to be rounded, not massive enough to cause fusion, and which have cleared its orbit of planetesimals.

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Which kind of strategy should we take to discover Planet 9 and other KBOs?

This question already discusses the challenges of discovering planet 9 The main problem of the hypothetical planet 9 as compared to Sedna and 2012 VP113 is: Sedna and 2012 VP113 have orbits that reach … WISE already tried to find planet 9 but did not find it. The James Webb Telescope may be our sole instrument capable of discovering planet 9 directly. …
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