Why isn’t Pluto a Planet Any More?

Scott Taylor
11 August 2015

When Pluto was discovered in 1930, it became the ninth planet in our solar system. Find out why the International Astronomical Union ”demoted” Pluto in 2006.

Scott Taylor

Scott Taylor is Acting Program Manager for CurioCity at Let’s Talk Science. He grew up watching bug-eyed monsters in sci-fi B-movies and dreaming of our future in space, and remembers being a young child watching the first astronauts walk on the Moon. Passionate about the importance of science education and understanding how science and technology impacts our society, he is still a sci-fi geek.    


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