The satellite traveling in the orbit is always escaping from the earth only to be pulled back by gravity.

在轨道上运行的卫星总是要飞离地球，而结果总是被地心引力拉回来。

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Those high, wispy clouds actually keep Earth warm, like a blanket, by preventing heat from escaping into space.

实际上，那些高空的束状云是为地球保暖的，它们的作用很像地毯，阻止了热量流失到太空中。

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In other words, this object was very likely orbiting the Earth during this period before escaping into the heliocentric orbit from which it was captured in 2002.

换句话说，在逃走到它在2002年被捕获的日心的轨道之前，这个物体很可能在这个时期绕地球飞行。

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