Electronic mail a method of sending data from one place to another anywhere in the world using telephone wires radio waves optical fibre cable or satellite.

电子邮件把数据从一地点经电话线、无线电波、光学纤维或卫星送往地球上任何地点的方法。

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Above: GRB 090423 as seen by NASA's Swift satellite. The image is a composite of data from Swift's UV/Optical and X-Ray telescopes.

上图：雨燕卫星拍摄的GRB 090423，图片由雨燕的紫外、可见光和X射线望远镜图像合成。

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As a result, the optical work helps in making better sense of satellite data collected on the ever-changing colors of the oceans.

因此，光学功能有助于更好地了解卫星收取到的数据，对海洋不断改变的颜色赋于更深的解释。

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