Multiple Choice
A planetary nebula
A) produces an absorption spectrum.
B) produces an emission spectrum.
C) is contracting to form planets.
D) is contracting to form a star.
E) is the result of carbon detonation in a 1-star.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q5: A star begins fusing hydrogen to helium
Q15: What are the two longest stages in
Q26: Because more massive stars have more gravitational
Q29: We know that the central object in
Q42: As a main-sequence star exhausts hydrogen in
Q52: Once a star ejects a planetary nebula,
Q67: Helium fusion is called the triple-alpha process
Q72: No known white dwarf has a mass
Q88: What evidence do we have that some
Q108: The helium flash is the cause of