Posts Tagged ‘is pluto a planet’

Why Pluto isn’t considered a planet anymore

Photo of Pluto

Pluto was first designated a planet in 1930 when it was discovered by Clyde W. Tombaugh at the Lowell Observatory in Flagstaff, AZ. The tiny planet is about two-thirds the diameter of Earth’s moon and most likely is made up of a rocky core surrounded by ice and coated with methane and nitrogen frost. It…

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