Sunday, June 21, 2020

Declination of the Sun

Over the course of a year, to an observer on Earth, the Sun travels from extreme North in June to South in December, and back again.  The Seasons are determined by these changes in the Declination of the Sun---its angle North or South of the Equator.  Tides respond to the Declination of the Sun as well.   The following animation was constructed from photographs of the Earth over time from the  perspective of an observer beyond the Solar System..  . 

 

https://twitter.com/weatherdak/status/1274383843215110145

 

In reality, it is the Earth that is moving, relative to the Sun. 

 

 

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