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The app let's you indulge in this image -- you pull strings out of a central sun and flick planets around to pluck the strings.

程序让你沉迷在这样一个画面——你从中心的太阳向外拉直线，避开周围其他的环绕太阳的星球，好把直线画出来。

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As the Moon blocked just the central portion of the Sun, people looking skyward would have seen a fiery ring around the Moon's perimeter, what is known as an annular eclipse.

当月亮正好阻挡住太阳中心的一部分，人们会看太阳像燃烧的圆环环绕在月球的周边，这就是日环食。

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Nelspruit in the province of Mpumalanga near the Kruger National Park, the central city of Bloemfontein and Rustenberg, near the famed Sun City resort.

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In this August 6, 2009 file photo, the sun is reflected on the facade of the European Central Bank ECB Tower, seen through the Euro symbol, in Frankfurt, central Germany.

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Sentosa Island, across from the Central Business District, is home to resorts and beaches, attracting volleyball players and sun-seekers on their day off.

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