Planet Nine may mean:
Images for kids
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One hypothetical path through the sky of Planet Nine near aphelion crossing Orion west to east with about 2,000 years of motion. It is derived from that employed in the artistic conception on Brown's blog.
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Long term evolution of ETNOs induced by Planet Nine for objects with semi-major axis of 250 AU. Blue: anti-aligned, Red: aligned, Green: metastable, Orange: circulating. Crossing orbits above black line.
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A possible orbit of the 11-Jupiter-mass exoplanet HD 106906 b
See also
In Spanish: Planeta Nueve para niños