火星是离太阳第四远的行星，也是地球之外的下一个行星。
Mars is the fourth planet from the Sun and the next planet beyond the Earth.
最近，中国的“嫦娥四号”月球着陆器携带的迷你花园成为了第一个地球之外的种植地。
A mini garden carried on China's Chang'e 4 moon lander recently became home to the first plant to grow on another world.
在地球之外的地方发现水总能引起一阵激动。
There is always excitement when water is discovered anywhere but Earth.
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