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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
Protostars are
A)   slowly expanding at the surface while the core contracts.
B)   slowly contracting and heating up.
C)   slowly heating up and expanding.
D)   slowly contracting and cooling.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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staedtler Author
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7 years ago
On behalf of my study group and I, thank you
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