But it would take a telescope with the effective diameter of the sun to actually take photographs of something the size of an elephant strolling on an exoplanet only 4.3 light-years away.
但是,假设距离我们仅有4.3光年远的一颗系外行星上,有一头徜徉漫步的大象,我们如果要拍到它,也得使用一个直径有太阳那么大的望远镜。
If you took the sun away, it would be like cutting the string that provides the pull and in that case what you would see is that the planets would just take off along a straight line.
如果现在移走太阳,这就像切断提供拉力的绳子,这样一来,你们将看到,所有行星,均沿直线飞出去。
The wind and the sun could take it away.
风和阳光都会带走体里的水分。
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