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The Planets Are Weirdly In Sync

Steve Mould

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Orbital Resonance
Incredibly, three of the four largest moons of Jupiter (Ganymede, Europa and Io) have orbital periods that are whole number ratios with each other (1:2:4). The big gap in Saturn's rings is caused by a moon much further out that has an orbital period double that of the gap! We've even found exoplanet systems with these patterns. They're all the result of orbital resonance. This video explains how that mechanism works.

CORRECTION: In the video I say that Ganymede, Europa and Io are the largest moons are jupiter. Actually here are the 4 largest moons from largest to smallest:


Here's my video on resonance:
   • A better description of resonance  

Here's my video about bad maths:
   • Standup comedy routine about bad sci...  

This is Dr Becky Smethurst's channel:
   / @drbecky  

This is Beardyman's channel:
   / beardyman  

This is Jay Foreman's channel:
   / jayforeman51  

This is the Veritasium video mentioned at the start:
   • The Surprising Secret of Synchronization  

Here's the paper I found that explains orbital resonance:

Image credits:
Picture of Dwayne Johnson Aarón Sánchez

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