Taking the image of an exoplanet is not an easy task.

给外行星拍照并不是一项轻而易举的工作.

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But all exoplanet detections had been of the squiggly variety.

但是此前所有探测到的系外行星都是不起眼波形.

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The exoplanet's atmosphere condenses out minerals such as enstatite, corundum, spinel, and wollastonite.

这颗系外行星的大气冷凝后产生矿物,如:顽火辉石 、 刚玉 、 尖晶石和硅灰石.

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