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As a star forms, the photosphere first appears:

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8 years ago

As a star forms, the photosphere first appears:

As a star forms, the photosphere first appears:
A) when contraction slows down.
B) when the protostar forms.
C) when nuclear fires ignite.
D) when the planetary nebula is expelled.
E) when the star reaches the main sequence.

Textbook

Astronomy Today

Edition: 8^th

Authors: Chaisson, McMillan

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Minoring in physics

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Ratatouille

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Tsync Author

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8 years ago

Exactly what I needed Smiling Face with Open Mouth

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Minoring in physics

Ratatouille

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#3

8 years ago

Message back if you need anything

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