That's about how high an object would have to be orbiting straight up from the equator to constantly remain directly above the exact same spot on the rotating planet Earth.

这大约是一个物体从赤道沿轨道垂直向上运行的高度，这样它就可以一直保持在地球同一地点的正上方。

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Looking down from orbit hundreds or thousands of kilometers above the sunlit surface of the Earth, the signposts of civilization are clearly visible.

在几百或几千公里外的卫星轨道上向下俯瞰这个被太阳照耀的地球，文明的标志清晰可见。

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For the first time in three weeks I am alone, driving from Windhoek toward the Namib Desert beneath a ubiquitous blue sky, its presence above the savannah creating the illusion of a flat, wide Earth.

三个星期以来我第一次独自开车从温得赫克驶往纳米布沙漠。蔚蓝的天空笼罩着大地，无树草原在蓝天下产生一种地面又平又宽的假象。

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The images from the Hubble, which has a clear view of the cosmos from its orbit above the Earth's turbulent atmosphere, will enable astronomers to gain a better understanding of black holes and the effect they have on material captured in their gravitational trap.

BBC: Hubble spies black hole gobbling galaxy

When these platforms are dropped off by their launch rockets they are in a large ellipse around the Earth running from just a few hundred km above the planet out to 36, 000km.

BBC: Juno Jupiter probe gets British boost

The Falcon dropped the Dragon off in an elliptical path running from 197km above the Earth out to 328km.

BBC: SpaceX lifts off with ISS cargo