Newslink: Welcome Back, Pluto? Planethood Debate Reignites

in #newslink7 years ago

Pluto-whole-color.jpg

For more than 75 years after its 1930 discovery, Pluto was regarded as our solar system's ninth planet — a distant and frigid oddball, to be sure, but a member of Earth's immediate family nonetheless. Then, in 2006, the International Astronomical Union (IAU) reclassified Pluto as a "dwarf planet," a newly created category that the organization explicitly stressed made Pluto distinct from the eight "true" planets.

https://www.space.com/40550-pluto-planet-debate-flares-up-again.html

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