What physical principle explains why the solar nebula spun much faster as it contracted under gravity?

Answer

Conservation of angular momentum

As the nebula shrank, the conservation of angular momentum required the cloud to speed up its rotation to maintain its spinning tendency, similar to an ice skater pulling their arms in.

What physical principle explains why the solar nebula spun much faster as it contracted under gravity?

#Videos

Formation of the Solar System - The Solar Nebula theory Explained

Formation of the Solar System | The Dr. Binocs Show - YouTube

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