There are a number of kinds of stellar explosions that can produce supernovae — which are short-lived, extrabright stellar events.
有一些不同种类的恒星爆炸可以产生超新星——短时间的，异常明亮的恒星爆炸事件。
2
If S2 were that bright, it could be evidence for extra dimensions or at least evidence that our understanding of gravity should be modified.
如果S2真的会那么亮，就证明有额外维度，至少表明我们对引力的理解应该修正。
3
Thousands of SMEs are desperate to hire bright young graduates – but they may not advertise in the obvious places as it's expensive, so do some extra sleuthing to track them down.