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Computer Science 4 Online
OpenStudy (anonymous):

A main sequence star cools and expands. It must be entering which stage?

OpenStudy (anonymous):

-> http://openstudy.com/study#/groups/Physics

OpenStudy (anonymous):

also.. take a look at this [1] - took just one minute of googling ;) 1. http://www.astro.uni-bonn.de/~javahrd/v071/index.html

OpenStudy (anonymous):

i need this answer too

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