Environment & Pollution. Hunt is on for new Planet Nine For a planet that hasn’t technically been discovered yet, Planet Nine is generating a lot of buzz.
Astronomers have not yet found a new planet orbiting the sun. Yet some remote icy bodies are dropping clues that a giant orb may be lurking on the fringes of the solar system.Six hunks of ice in the debris field beyond Neptune travel on orbits that are aligned with one another. Scientists @ the Smithsonian. Fostering student research through scientific inquiry and online mentorship.