Word: arnott
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Dates: during 1920-1929
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What sunrise is like on the moon can now be demonstrated as well as described. Edward G. F. Arnott, student at Princeton's Graduate School, got his engineer-father to rig an ordinary amateur cinema camera at the small end of Princeton's 23-inch telescope. They slowed down the camera's action 100 times, since a lunar day passes 9/1000 as fast as an earthly one, and took a picture of how dawn comes to Copernicus, one of the moon's biggest pits. Because the moon has no atmosphere, there is little or no crepuscular...
...MARY M. ARNOTT...