5
4
eventually fusing
giving off a planetary nebula
all of the above
1.299 points
When stars become giants, which of the following does NOT usually happen?
their outer envelopes expand significantly
they lose a significant amount of mass from their outside layers
their surface temperatures become lower than before
their overall luminosities increase
their mass grows significantly as they incorporate planets and interstellar matter near
star
1.299 points
Why can a star with a mass like our Sun not fuse (produce) further elements beyond carbo=
origen?