Green Flash The elusive optical phenomena that occurs 1-2 seconds before sunset, when the refracting light in the atmosphere moves more slowly in the lower, denser air than in the thinner air above. Magic Island, Oahu, Hawaii © Grant Hofmann Photography
The Mokulua Islands from Bellows Bellows AFB, Oahu, Hawaii © Grant Hofmann Photography
Papailoa, Oahu, Hawaii © Grant Hofmann Photography
