nova outburst

例句：

1. 1. The novaoutburst was a spectacular display ofthe star's energy.
   新星爆发是这颗恒星能量的壮观展示。
2. 2. Astronomers have been studying the novaoutburst for months to understand itsimpact on the galaxy.
   天文学家已经研究了新星爆发数月，以了解其对星系的影响。
3. 3. Thenova outbursthas caused a temporary dip inthe star's brightness.
   新星爆发导致恒星亮度暂时下降。