欧洲太空总署策划了该实验。
视频是由欧洲太空总署的太阳能子午观测站发布的。
The video was released only briefly by Soho, the European Space Agency's orbiting Solar and Heliospheric Observatory.
今年夏天,欧洲太空总署发射的普朗克卫星绘制出一张高清尘埃地图。
This summer, the European Space Agency’s Planck satellite produced a high-resolution dust map.
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