Multiple Choice
Which factor, more than any other, modifies the evolutionary tracks of stars in binary combinations compared with their single-star counterparts?
A) tidal distortion of the shapes of the stars
B) reduction of the quantum mechanical limitation on continued shrinking of one star by the gravitational field of the second star
C) mass exchange between the stars
D) radiation from one star heating the surface of the second star
Correct Answer:

Verified
Correct Answer:
Verified
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