According to NASA, a total eclipse, when the moon passes between the earth and the sun, is only visible from a narrow strip - about 150 km wide - of the Earth's surface at any one time.

据美国宇航局所说，整个日食过程，即在月亮位于地球和太阳之间的时间内，也仅仅在地表一条约150公里宽的狭长地带的某一时刻可以观看到。

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Ophir Chasma is a large west-northwest-trending trough about 62 miles, or 100 km, wide.

俄斐峡谷是一个宽约62英里，或100公里的，朝向西北偏西方向的大低谷。

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For scale, the large impact crater in lower right corner is about 18.5 miles, or 30 km, wide.

右下角的巨大陨石坑按比例宽约18.5英里，或30公里。

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The Siple Dome, an ice dome roughly 100 km long and 100 km wide, about 100 km east of the Siple Coast of Antartica, also reflects effects of the Little Ice Age synchronously with the GISP2 record, as do sediment cores from the Bransfield Basin of the Antarctic Peninsula.

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The 15 km-wide strip will run 55 km from the Petronas Towers in Kuala Lumpur to the new international airport at Sepang near the Negri Sembilan state border.

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For example, Plato said Atlantis was larger than Libya and Asia combined, whereas Spartel was only 14 kilometers (8.75 miles) long by five km wide (three miles) at the time.

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