As the sun sets and the light starts to dim, some lucky onlookers may spot a rare, brief flash of emerald green. This is known as the ‘green flash’, which can sometimes be witnessed right after sunset or before sunrise.

Ever seen a green flash at sunset? Here's why it happens.

green-flash

Green Flash, News on Green Flash, stories on Green Flash, articles on Green Flash, Green Flash stories at Wion, Green Flash news, Green Flash latest news