Why is Pluto no longer a planet?


pluto
Space

Short answer: Because we changed the definition of the word “planet” to better fit its meaning.

When the IAU officially defined the word “planet” for the first time, Pluto simply didn’t fit. To keep its planetary status along with Earth, Saturn, and the rest, it…
via Popular Science "https://ift.tt/2PAk9LO"

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