长星是汉语词语，拼音是cháng xīng，古星名。类似彗星，有长形光芒。
这幅图片是经过数码合成的，由一幅分开的长曝光照片和拍摄下周围星域的月食照片组成。
The picture is a digital composite, a separate longer exposure added to an eclipse frame to capture the surrounding star field.
尽管李健熙已不在是三星董事长，三星的执行官在私下谈话中似乎仍视其为掌控集团之人。
Although Mr Lee is no longer chairman, Samsung executives in private talk as though he were still running the group.
就它们与恒星的距离而言，其石质行星核恐怕需要极其长的成型时间，以至于在星核能够俘获气体前周围的气态盘恐怕就已经消散殆尽了。
At their distances from the star, the rocky planetary core would have taken so long to form that the gaseous disk would have dissipated before the core could attract the gas.
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