由于地球与太阳的相对位置，地球一直是生命的摇篮。

Earth has been a cradle for life because of its position relative to the Sun.

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地球与太阳是生命的两大源泉。

The earth and the sun are two great sources of life.

《新英汉大辞典》

然而，绝大多数人还从来没有听说过太空天气的事情。这是一个问题，因为太阳活动过于频繁与不足都会对地球上的生命造成严重影响。

But most people have never heard of space weather, which is a problem, because both high and low solar activity have serious effects on life on Earth.

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