When material expanding away from a star in a binary system reaches the edge of its Roche lobe,what happens?
A)The material will start to fall back toward the star.
B)All of the material will accrete on to the companion.
C)The material will no longer be gravitationally bound to the star.
D)The material will increase in temperature and eventually undergo thermonuclear fusion.

Question

Quizplus · Accepted Answer

When material reaches the edge of its Roche lobe, it is no longer gravitationally bound to the star and can transfer to the companion star or escape the system.

When Material Expanding Away from a Star in a Binary