Understanding the Green Flash Phenomenon
AI-Generated Summary
The green flash is an optical phenomenon seen shortly after sunset or before sunrise, appearing as a brief green or blue flash at the sun's upper edge.
A sunset walk on a beach looking west is a great time to catch a green flash. The green flash is an optical phenomenon visible shortly after sunset or before sunrise. It occurs when the sun is nearly below the horizon, with the upper edge still visible. For a second or two, that upper rim of the sun appears green or sometimes blue. It is a brief flash of color, exciting to see, especially if you have been looking for one!
