Q123
What is "Supernova"?
A.
Comet
B.
Asteroid
C.
Meteor
D.
Black Hole
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The most likely 'cannon' is the explosive kick of a supernova, one of the Universe's most titanic events. When massive stars end their lives, they explode violently as supernovae. They leave either a neutron star or a black hole as a remnant, depending on how massive the star initially is.