The blue specks are Milky Way stars, and the bluish-white haze in the background is light from older star clusters.

图中的蓝色斑点是银河系的恒星，背景中的蓝白色暮霭是来自更古老的恒星星团的光。

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"Waivin 'Flag" refers to Somalia's banner, a five-pointed white star on a bright blue background.

“飘扬的旗帜”指的就是索马里的国旗——蓝色背景映衬着一颗白色五角星。

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Follow-up observations by Hubble Space Telescope in 2005 separated the light of the slightly offset foreground star from the background star.

由哈勃空间望远镜担任的后续观测在2005年分离出了发自背景恒星、经过前方恒星时略有偏移的光线。

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Star players endure hours of interviews,talking about their football background and their preparation for the big game.

VOA: standard.2010.02.04

What I tried to do was to encourage the children not only to learn about a new culture, the Japanese Culture, from this Star Festival, but to also start thinking about what their own background was.

我所做的就是鼓励孩子们,不仅仅是通过七夕节来，了解全新的日本文化，而更要开始思考,自身的文化背景。

麻省理工公开课 - 媒体、教育、市场课程节选

Astronomers are able to detect planets orbiting the lens star if the light from the background star is warped by one or more planets.

BBC: Tiniest extrasolar planet found

The technique employed to find the new planet uses the gravitational field of a star like a lens - magnifying the light from a distant background star.

BBC: Tiniest extrasolar planet found

Microlensing occurs when a massive object in space, like a star, crosses in front of another star shining in the background.

BBC: Artist's concept of a distant world (BBC)