中国首个火星探测器传回的图片和视频让我们在如此近的距离看到了这颗红色星球。

Pictures and videos sent back by China's first Mars probe allowed us to see this red planet at such a close distance.

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所以一个行星上要有足够的温度，那么这个行星距恒星的距离就得比它距离太阳的距离近，这样，这个行星上才能具备合适的温度，维持一定的光照和液态水。

So to have the same temperature, a planet needs to be much closer to that star than it would be from the sun, where you'd have a temperature where you might have light and liquid water.

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月球曾被认为它形成的时候与地球的距离比现在要近，而且旋转比现在更快，它的减速和离去是因为长期和地球发生相互的潮汐的作用导致。

The moon is thought to have formed closer to the Earth than it is now and spun faster, slowing down and moving away over time through tidal interactions with Earth.

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And that is not likely to be the case if it's the person who is nearby. Right?

这和我们说的,近距离产生爱情不是一回事儿？

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