Astrum on MSN
New evidence could end the search for Planet 9
For years, astronomers have searched for Planet Nine, a hypothetical world thought to lurk far beyond Neptune. Its existence ...
The solar system may have a ninth planet after all. This one is 5,000 times bigger than outcast Pluto and billions of miles farther away, say scientists who presented "good evidence" for a ...
Veritasium on MSN
The evidence for and against Planet 9
Planet Nine was proposed to explain unusual motions of distant objects beyond Neptune. Since then, astronomers have searched ...
There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...
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