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日落时的悬日现象,美国芝加哥 Chicagohenge sunset, Chicago, Illinois (© Razvan Sera/Amazing Aerial Agency)

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日落时的悬日现象,美国芝加哥 Chicagohenge sunset, Chicago, Illinois (© Razvan Sera/Amazing Aerial Agency)

城市网格传递了这一天象 The city grid delivers this celestial phenomenon

Chicagohenge

During the fall and spring equinox, the celestial phenomenon known as Chicagohenge occurs when the sun rises or sets directly between the buildings lining Chicago's west- and east-facing streets. The city's almost perfectly aligned grid is responsible for the event.

During the equinox, the northern and southern hemispheres receive an equal amount of sunlight, and the sun rises and sets directly to the east and west. As it happens, Chicago's grid is aligned with the cardinal directions on a compass, a handy fact to know anytime you're walking in the city.

It might be easy to lose touch with the natural cycles of the planet when you live in a concrete jungle, but at least twice a year, Chicagohenge reminds city dwellers exactly where this third rock from the sun is spinning.

芝加哥城

秋分春分期间,当太阳在芝加哥西面和东面街道两旁的建筑之间直接升起或落下时,就会出现被称为芝加哥柱的天象。这座城市几乎完全对齐的网格是这次活动的主因。

在春分期间,南北半球接收等量的阳,太阳从东到西直接升起和落下。碰巧的是,芝加哥的网格与指南针上的基本方向对齐,这是一个方便的事实,你在城市中行走的任何时候都可以知道。

当你生活在混凝土丛林中时,可能很容易与地球的自然循环失去联系,但芝加哥恒每年至少两次提醒城市居民,太阳的第三块岩石正在旋转的确切位置。