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discoverynews: Pluto at 82: A ‘Chihuahua’ Among Planets On Feb. 18, 1930, American astronomer Clyde Tombaugh discovered the ninth planet, Pluto. As we celebrate the 82nd anniversary of its discovery, we are also reminded about the controversy that still surrounds this little world’s planetary status. In light of the discovery of Eris in 2005, the following year the International Astronomical Union (IAU) voted to define what a “planet” actually is. Unfortunately for Pluto, it became a rounding error and joined Eris in the “dwarf planet” club. keep reading

discoverynews:

Pluto at 82: A ‘Chihuahua’ Among Planets

On Feb. 18, 1930, American astronomer Clyde Tombaugh discovered the ninth planet, Pluto. As we celebrate the 82nd anniversary of its discovery, we are also reminded about the controversy that still surrounds this little world’s planetary status.

In light of the discovery of Eris in 2005, the following year the International Astronomical Union (IAU) voted to define what a “planet” actually is. Unfortunately for Pluto, it became a rounding error and joined Eris in the “dwarf planet” club.

keep reading

Feb 19 2012 290 notes
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    You’ll always be a planet to me, Pluto.
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