When did the sun blow away the solar nebula?

the sun began as a protostar in its "solar nebula" over 4.5 billion years ago

the planets emerged from this nebula and it dissipated away.

Some 5 billion years ago, our neighborhood of the galaxy was a nebula made of hydrogen gas and some dust.

star sent shock waves and ripples through the dust and caused it to compress. 

the infant sun in its birth crĂȘche went through what's called the T Tauri phase. 

the infant sun in its birth crĂȘche went through what's called the T Tauri phase. 

They found that the solar nebula had cleared by about four million years after solar system formation.

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