Chandrasekhar limiting mass$$is the minimum mass for a type $1$a supernova to occur, and is equal to about $1\mathrm{.}6$ solar masses.

Question $18$ options:

TrueFalse

Question $19(4$ points$)$

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In a binary system, the distance from each star to the center of mass remains constant.

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Question $19$ options:

TrueFalse