When Pluto lost its planet status - Witness History

What this episode covers

An international committee of astronomers agreed Pluto wasn't really a planet in 2006. They reclassified it as a 'dwarf planet' instead. The decision was made after Mike Brown of the California Institute of Technology identified a larger body, Eris, in the Kuiper Belt. He has been telling Bethan Head about his discovery and the public outcry that followed.Photo: Dwarf planet Pluto Credit: DottedHippo /Getty Images

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How long is this episode of Witness History?

This episode is 10 minutes long.

When was this Witness History episode published?

This episode was published on November 12, 2020.

What is this episode about?

An international committee of astronomers agreed Pluto wasn't really a planet in 2006. They reclassified it as a 'dwarf planet' instead. The decision was made after Mike Brown of the California Institute of Technology identified a larger body,...

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