The "boundlessness and emptiness" in a plane has infinite possibilities.

平面的“空无”具有无尽的可能性。

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They may not succeed. The planets may turn out to be barren rocks. Infinite space, in the end, might be just a nutshell's worth of emptiness.

他们或许不会成功，那些行星或许终被发现只是乱石穿空，无垠太空，到头来，不过一场空。

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And the infinite emptiness of the brilliant sky above means that on the rare occasions when an object, such as a plane or a hot-air balloon, does pass through, the bright contrast lends it such a fierce intensity that it confuses the eye.

BBC: New Mexico��s alien nation