Question

question 17
massive stars terminate in a brilliant explosion called a
red giant
protostar
neutron star
supernova

Explanation:

A red giant is a late - stage in the life of a star (not an explosion). A protostar is an early stage in star formation. A neutron star is the remnant after a certain type of stellar explosion. A supernova is a brilliant explosion that occurs at the end of the life of a massive star.

Answer:

supernova