A rare celestial phenomenon involving the explosion of most of the material in a star, resulting in an extremely bright, short-lived object that emits vast amounts of energy.

• 超新星:一种罕见的天文现象,表现为一恒星中的绝大部分物质爆炸后,产生能放射极大能量的极为明亮而存在时间极短的物体。