Solar system formation
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Solar System Formation. This is a nebula. This is where stars are forming. These are little solar nebulae!. Proto-sun and accretion disk. Accretion. Dus grains stick together through electricity to form planetessimals.

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Presentation Transcript

This is a nebula.

This is where stars are forming.




Accretion
Accretion

  • Dus grains stick together through electricity to form planetessimals.

  • Collisions between planetessimals melt the surface which acts as a “glue” causing them to grow larger.

  • Largest planetessimals pull in material through gravity and become proto-planets.


  • Rotation causes…

  • The nebula to flatten out.


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