Comets look like swimming sperms in time-lapse videos

Comets look like swimming sperms in time-lapse videos

The H-1 camera on board NASA’s STEREO-A spacecraft has captured this sequence of the two comets now en route to the Sun: Encke and ISON. They look like sperms trying to fertilize an egg named Earth—which is quite appropriate, given the hypothesis that comets brought life to this planet.

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