Will our Sun ever undergo a white dwarf supernova explosion? Why or why not?
A) No, because the Sun's core will never be hot enough to fuse carbon and other heavier elements into iron.
B) Yes, about a million years after it becomes a white dwarf.
C) Yes, right at the end of its double-shell burning stage of life.
D) No, because it is not orbited by another star.
Question 2
The brightest stars in a young open cluster will be
A) massive blue main-sequence stars.
B) Cepheid variables.
C) yellow main-sequence stars like the Sun.
D) T-Tauri variables.
E) red giants.