There are a number of kinds of stellar explosions that can produce supernovae — which are short-lived, extra bright 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。

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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。

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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.

成千上万中小型企业都在拼命聘请有前途的年轻毕业生- 但它们可能不在明显的地方做广告，因为太贵了，所以花一些额外的功夫记下他们。

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Offering a fixed 50mm focal length and extra-bright F1.4 aperture, the premium lens is an ideal choice for quality-critical portraiture and low-light shooting.

ENGADGET: Sony NEX-3N and Alpha A58 unveiled, heading to Europe this spring

Sir Peter Lampl, chairman of Sutton Trust, which promotes social mobility through education, said the research revealed "a group of bright students who need extra support and encouragement to make the right decisions".

BBC: Poorer pupils 'lack confidence' for top universities

Newport council leader Bob Bright said the expansion and extra jobs could "only have a positive effect on the city".

BBC: South East Wales