How Can We Prove The Moon Orbits The Earth?

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How Can We Prove The Moon Orbits The Earth? with tags physics, minutephysics, science

How do we truly know if something is orbiting something else? You may be familiar with the barycenter test, but you may not have heard of the better "Trojan test"!

Further reading:

MinutePhysics provides an energetic and entertaining view of old and new problems in physics - all in a minute!

Created by Henry Reich

Produced by Joshua Chawner

00:00 Intro

00:15 Barycenter Test Problems

02:18 Trojan Points

03:20 Trojan Stability

04:00 The Trojan Test

04:21 Trojan vs. Barycenter

05:16 Trojan Test Usefulness

05:45 Earth - Moon System

06:03 DFTBA Physics Shirt Bundle!