A long time ago, a group of astronomers decided that Pluto was not a planet. This was in 2006, before the era of iPhones and Snapchat and Minecraft ... and yet scientists still argue over whether Pluto is a planet today. Why the big fuss? Let's dig in and find out, because the fate of our solar system's classification is at stake.
Related Video: What Has New Horizons Taught Us About Pluto?
No Scientific Consensus
Where Do We Go from Here?
Written by Elizabeth Howell October 12, 2018
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