By Free Republic | Created at 2024-09-22 18:33:58 | Updated at 2024-09-30 09:39:11
1 week ago
Astronomy Picture of the Day - Chicagohenge: Equinox in an Aligned City
NASA ^ | 22 Sep, 2024 | Image Credit & Copyright: Anthony Artese
Posted on 09/22/2024 11:32:10 AM PDT by MtnClimber
Explanation: Chicago, in a way, is like a modern Stonehenge. The way is east to west, and the time is today. Today, and every equinox, the Sun will set exactly to the west, everywhere on Earth. Therefore, today in Chicago, the Sun will set directly down the long equatorially-aligned grid of streets and buildings, an event dubbed #chicagohenge. Featured here is a Chicago Henge picture taken during the equinox in mid-September of 2017 looking along part of Upper Wacker Drive. Many cities, though, have streets or other features that are well-aligned to Earth's spin axis. Therefore, quite possibly, your favorite street may also run east - west. Tonight at sunset, with a quick glance, you can actually find out.
TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; crime; nasa
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1 posted on 09/22/2024 11:32:10 AM PDT by MtnClimber
To: MtnClimber
2 posted on 09/22/2024 11:32:26 AM PDT by MtnClimber (For photos of scenery and wildlife, click on my screen name for my FR home page. More photos added.)
To: 21stCenturion; 21twelve; 4everontheRight; abb; AFB-XYZ; AFPhys; Agatsu77; America_Right; ...
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3 posted on 09/22/2024 11:33:13 AM PDT by MtnClimber (For photos of scenery and wildlife, click on my screen name for my FR home page. More photos added.)
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