>>16554510
>Zoomer (born in 2000) here. Is it true that Pluto used to be considered an actual planet in the solar system?
Yes, and for a brief time, the asteroids, Vesta, Juno, Pallas, and Ceres were also considered planets.
We had to adopt a stricter definition or pretend that our solar system has about 800 "planets.">>16554514
>Pluto still is considered an actual planet in the solar system by everyone born in the 20th century.
I was born in the 20th century and I do not agree that Pluto is a planet.

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Zoomer (born in 2000) here. Is it true that Pluto used to be considered an actual planet in the solar system?