Astronomers are investigating a potential "Planet Nine" far beyond Neptune, inferred from the peculiar orbits of distant icy objects. While not directly seen, its gravitational pull could explain observed clustering. New surveys are refining models and search…
For nearly a decade, astronomers have debated whether a massive unseen planet may be orbiting far beyond Neptune. Often referred to as Planet Nine, this hypothetical world has not been directly obser… [+5507 chars]
