Ancient cultures often modified natural rock formations or built stone monuments to mark the motions of the sun and moon, charting the seasons, creating calendars and monitoring eclipses.

原始文明经常用改造天然石群或修建石碑来记录太阳和月亮的运行和季节变化，创立历法和观测日食月食。

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MARK HOFFMAN: "The bottom line here is that most plants will produce more in full sun."

霍夫曼：“最重要的一点是，大部分植物在充足日照条件下产量会更高。”

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If we plot the position of the sun around the sky in a year, it will mark out a different circle in the sky which is the plane of the ecliptic of the solar system.

如果我们将太阳在天空中的一年内运转轨迹描出，这将是另一个循环，这平面就是整个太阳系的黄道。

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Find this orientation by looking through the crystal at the sky at a time when you can see the sun, mark the sun's direction on the crystal, and your mark will always point towards the sun when you match the beams from even a tiny patch of blue in an otherwise overcast sky.

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This year, that work would be the star feature at Marlborough Fine Ar t: a dazzlingly beautiful, sun-drenched Mark Rothko canvas, seeped in burnt orange and the palest pink, and dated 1954.

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For the Sun, the talks mark crunch-time for the euro.

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