光的折射。大气折射使人产生错觉,认为太阳在上升或日落时比在天顶时更大。1925年的匿名插图。私人收藏。(Light refraction: Atmospheric refraction gives the illusion that the sun is bigger at the rise or sunset than at the zenith. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 98.15
Enthält 0% MwSt.
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日期不详 · Engraving
· 图片ID: 918267
Private Collection / Bridgeman Images |
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