The green flash is a rare, brief optical event of green, yellow, and sometimes blue that colors the horizon, occurring at sunrise or sunset most often in the western U.S. Refraction and dispersion ...

Ever since the late Sarasota mystery writer John D. MacDonald wrote A Flash of Green in 1962, locals and visitors stand on the beach at sunset, hoping to see a brief burst of green light just as the ...

Sunset admirers and astronomy photographers know it well, but rarely have any witnessed the green flash. That's the name given to a flash that sometimes appears at sunset when the sun dips below the ...

Under the right conditions, the upper edge of the setting sun will blaze bright green just before dipping below the horizon. What causes these “green flashes”? The answer is more complicated than you ...

The sun seen from the earth changes to red or orange depending on the time, but because the light is refracted to the atmosphere of the earth, the sun actually has various colors such as purple, blue ...