What’s a green flash and how can I see one?

What’s a green flash and how can I see one?

What’s a green flash? Watch this video to learn more. The 2026 lunar calendars are here! Best Christmas gifts in the universe! Check ’em out here. What is a green flash? A sunset walk on a beach – looking west – is a great time to catch a green flash. What is it? The green flash is an optical phenomenon that you can see shortly after sunset or before sunrise. It happens when the sun is almost entirely below the horizon, with the upper edge still…