What flattened, pancake-like structure formed due to the rapid spin during the nebula's collapse?

Answer

Protoplanetary disk

Due to the centrifugal force created by the increasing spin, the collapsing material spread out into a wide, flat structure known as the protoplanetary disk.

What flattened, pancake-like structure formed due to the rapid spin during the nebula's collapse?

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Formation of the Solar System - The Solar Nebula theory Explained

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