the explosion of a massive star the birth of a main-sequence star the collapse of a medium-sized star the collision of one star with another
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In 1987, a supernova was detected in the Large Magellanic Cloud galaxy, which is approximately 169,000 light years from Earth. Which event produces a supernova?
Possibilities:
- the explosion of a massive star
- the birth of a main-sequence star
- the collapse of a medium-sized star
- the collision of one star with another

the explosion of a massive star