A Transferring Goal

2020 09 11 a moving target

Picture: Wikimedia Commons

The angle of Earth’s axis varies between 22.1 and 24.5 levels over a 41,000-year interval. Because of this the Tropics of Most cancers and Capricorn are shifting barely: Every is essentially the most excessive circle of latitude in its hemisphere at which the Solar might be straight overhead. For the time being Most cancers is drifting southward and Capricorn northward, every at about 15 meters a yr.

In Mexico this motion is mirrored exactly in a collection of annual markers beside Federal Freeway 83, from 2005 to 2010.

(Thanks, Salvador.)

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