nova

早餐我吃了一个贝果配奶油奶酪和诺瓦熏鲑鱼。

I had a bagel with cream cheese and ___nova for breakfast.

科学家们正在观测这颗新星，它的亮度正在逐渐减弱。

Scientists are observing the ___nova as its brightness slowly fades.