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Title: As a star forms, the photosphere first appears: Post by: Tsync on Feb 10, 2016 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. Title: Re: As a star forms, the photosphere first appears: Post by: Ratatouille on Feb 11, 2016 Content hidden
Title: Re: As a star forms, the photosphere first appears: Post by: Tsync on Mar 2, 2016 Exactly what I needed :D
Title: Re: As a star forms, the photosphere first appears: Post by: Ratatouille on Mar 3, 2016 Message back if you need anything
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