With sun and moon, with earth and sea's rich gems.

有太阳月亮，山海诸珍奇。

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An eclipse happens when the earth and moon are in line with the sun.

地球和月亮与太阳处在一条直线上，日食就发生了。

《牛津词典》

In its original state, there were rotating dials and other indicators on the top, with letters and drawings showing the Sun, the phases of the moon and different constellations.

最初，它的顶部有旋转的刻度盘和其他指示物，上面的字母和图画描绘了太阳、月相和不同的星座。

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Without it, we might still fancy the Earth situated in the center of the cosmos, with the sun, the moon and all the stars orbiting around us.

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One of the lightest things you can carry is an app, and his favourite is the Photographer's Ephemeris, because it helps you plan the perfect outdoor shoot, with time-specific details about the position of the sun and the moon, such as when and where the moon is likely to rise over a particular hill.

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Kepler-37b is a tad larger than our heavenly dance partner, the Moon, and whizzes round a star much like our Sun, with two larger planets in its system for company.

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