Tuesday, October 24, 2023

A "Green Flash" Sunset: Gone in 60 Seconds | Earth-Sun Science

A "Green Flash" Sunset: Gone in 60 Seconds | Earth-Sun Science

One minute sunset with multiple “green flashes.” Location: Big Island, Hawaii, USA 

Witnessing green flashes at sunset is a rare event that many Sun watchers pride themselves on having seen. Once thought to be a myth, green flashes are now understood to occur when the Earth's atmosphere acts like a prism and a lens. Atmospheric layers create altitude-variable refractions that take light from the top of the Sun, dispersing its colors, creating multiple images, and magnifying it in just the right way to make thin slivers appear green, just before it disappears.


Video Credit & Copyright: Tengyu Cai 
Tengyu's Instagram Page: https://www.instagram.com/tengyu.cai
Capture Date: Oct. 8, 2023
Release Date: Oct. 24, 2023

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