Multiple Choice
What is a supernova impostor?
A) a massive star that experiences recurrent brightening to levels comparable to a supernova explosion
B) an exceptionally strong nova, or runaway thermonuclear explosion on the surface of a white dwarf
C) the collision of two neutron stars
D) a gamma-ray burst with no afterglow
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Just before it exploded, the star that
Q7: What is it that keeps a white
Q8: A Type II supernova is the<br>A) collapse
Q9: The main source of moderate-energy cosmic rays,
Q10: The Crab Nebula is<br>A) a supernova remnant.<br>B)
Q12: In which order do the stages of
Q13: Young white dwarfs radiate MOST strongly in
Q14: What is a pulsar?<br>A) very hot material
Q15: What causes a glitch in the rotation
Q16: The Scorpius-Centaurus OB association is predicted to