Answer: Gamma Ray
Supernova explosion is an event which occurs in the final stage of a star's life. Its a huge explosion and immensely bright which oushines a galaxy. The light from the supernova explosion cab be seen from billion of light years away. A supernova explosion releases gamma rays. Gamma rays are high frequency electromagnetic waves which carry large amount of energy. hence, a detector of gamma ray can be used to study a supernova explosion.
