What is a carbon star?
A)a red giant star whose atmosphere becomes carbon-rich through convection from the core
B)a star that fuses carbon in its core
C)another name for a white dwarf,a remnant of a star made mainly of carbon
D)a star that produces carbon by fusion in its atmosphere
E)a star that is made at least 50 percent of carbon

Question

Quizplus · Accepted Answer

A carbon star is a red giant star that has a carbon-rich atmosphere due to convection from the core. The carbon is formed through helium fusion in the core of the star, which then rises to the surface due to convection. This carbon then becomes visible in the star's atmosphere, giving it a distinctive reddish color.

What Is a Carbon Star