The sun makes our earth beautiful. It gives us light. It keeps us warm. It makes things grow. We can not live without the sun.

太阳使我们的地球很美好，它给了我们光亮，使我们温暖，使万物生长。没有太阳，我们就不能生存。

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The life without cheerfulness is like the severe winter without the sun.

没有喜悦的生活就如同没有太阳的寒冬。

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There is no life without the sun.

没有太阳就没有一切生命。

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Point the binoculars or telescopes at the sun -- without looking through the lenses -- and aim the other end onto a piece of paper or cardboard.

CNN: Upcoming solar eclipse to project 'ring of fire'

As they describe in Nanoscale Research Letters, they have invented a way of concentrating the energy in the sun's rays without the need for mirrors.

ECONOMIST: Solar power

Since San Juan is largely without power, when the sun goes down darkness prevails, pierced only by the occasional flicker of candlelight.

BBC: Journey to Argentina's forgotten territory