Page:Popular Science Monthly Volume 91.djvu/273

 How the "Full Earth" Looks from the Moon

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��The long lunar night, which comprises thirteen of our nights, is substantially relieved by the reflected light of our globe, which at full "earth" radiates thirteen times more light than the moon does to us. The landscape depicted here is characteristic of many regicns on the moon, showing the surface strewn with volcanic craters varying in size from a few hundred feet to many miles in diameter, some possessing a central cone. The moon swarms with these objects

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