Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.

每一种样式代表一种不同的化学元素，所以光谱线的不同集合或模式意味着这颗恒星有不同的化学成分。

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The metallicity of a star measures the amount of " metals" it has — that is, any element heavier than helium.

恒星的金属度用于表征它含有的“金属”的量——其实是所有比氦重的元素的量。

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The metallicity of a star measures the amount of "metals" it has —that is, any element heavier than helium.

恒星的金属度用于表征它含有的“金属”的量——其实是所有比氦重的元素的量。

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It was a staple element of classic Star Trek that pretty much anyone who outranked Kirk would eventually go mad and betray everyone.

FORBES: 'Star Trek' Review (PC)

While not everyone has been able to get their hands on Blu-ray movies yet, many are reporting a surprisingly poor visual display from former DVD reference star The Fifth Element.

ENGADGET: Pre-release Blu-ray impressions roundup HD

My initial take: While this might seem like a great arrangement for Electronic Arts and Disney, I cannot see how taking away the element of competition will be good for the quality of Star Wars games.

CNN: Disney awards 'Star Wars' video-game rights to EA