별의 진화 마지막 단계에서 급격한 폭발로 인해 밝기가 수만 배에서 수억 배까지 밝아지는 현상이나 그 별.
a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
예문:
"The light from the distant supernova reached Earth after traveling for millions of years."
"Astronomers observed a supernova in a nearby galaxy using the latest space telescope."
"A supernova explosion can outshine an entire galaxy for a brief period."