The Formation of the Solar System and Structure of the Sun

The Sun and the planets formed together, 4.6 billion years ago, from a cloud of gas and dust called the solar nebula.

A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula.


The Sun formed in the center, and the planets formed in a thin disk orbiting around it.A shock wave from a nearby supernova explosion probably initiated the collapse of the solar nebula.


The Sun formed in the center, and the planets formed in a thin disk orbiting around it.

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