When did the Sun Blow Away the Solar Nebula? - Universe Today

Studies of the solar nebula where our Sun and planets formed reveal that it didn't dissipate all at once. It went through a two-step process.

The story of our solar system’s origin is pretty well known. It goes like this: the Sun began as a protostar in its “solar nebula” over 4.5 billion years ago. Over the course of several million years… [+5495 chars]

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