Fortunately, a few years later both America and the Soviet Union became interested in using solar power in space, where its advantages became apparent very quickly.

值得庆幸是，几年后，因为太阳能动力在太空的优势十分明显，美国和苏联同时对应用它的兴趣大增。

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Back on our solar system scale, one such apparent pattern that stood steadfast until 1846, was the Titius-Bode rule.

在我们太阳系的尺度上，有这样一个直到1846年都坚不可摧的显著模式，它就是提丢斯-波得定则。

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The result showed that the light distribution in the canopy were obviously affected by the leaf area index (LAI), the structure of canopy, solar radiation and its apparent movement, etc.

结果表明：梨树叶幕光能分布状况直接受叶面积系数、树冠结构、太阳位置及光强的影响。

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The idea of using a magnetic field as a solar sail was first suggested a few years ago, but it soon became apparent that creating a field strong enough to be useful would require exotic superconducting materials that, unfortunately, do not exist.

ECONOMIST: Rockets are not the only way to travel through outer space