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50 Years Ago

Moon like blue cheese?

Excerpt from the February 22, 1964, issue of Science News Letter

9:01am, February 10, 2014

The moon’s surface is probably closer to green cheese than to solid rock. Blue cheese may be more accurate than green when an astronaut finally steps off into the rough, dark, opaque material left by micrometeorite bombardment.

Dr. Thomas Gold, director of the center for radiophysics and space research, Cornell University, Ithaca, N.Y., said that the action of micrometeorites on the moon’s surface cannot fail to produce at least a thin layer of finely pulverized material like dust. Dense particle packing is possible so that a moon visitor would be able to make his way about in a weightless condition.

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