Why Is Pluto Not a Planet? It Fails One of Three Tests

Why is Pluto not a planet? In 2006, the International Astronomical Union set three tests that a planet must pass. Pluto passes two of them, but it fails one. Which test, and why? Chapters 0:00 Intro: one failed test 0:20 The ninth planet 0:53 A tenth planet? 1:15 Three tests 1:43 Tests one and two 2:02 Test three 2:22 The test Pluto fails 2:39 A dwarf planet 2:53 New Horizons 3:30 Not everyone agrees 3:58 Recap About BodaWiki: a free wiki that answers the questions people search for, in clear articles and short videos, with every fact tied to its original source. Website: https://bodawiki.com Article: https://bodawiki.com/wiki/why-is-plut...