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WebThe 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 barest edge of the sun – the upper edge – still visible. For a second or two, that upper rim of the sun will appear green in color. ... WebMar 29, 2024 · The green flash is the name of a rare and interesting optical phenomenon where a green spot or flash is visible at the top edge of the sun at sunrise or sunset. Although less common, the green flash may also be seen with other bright bodies, such … Water Vapor in the Atmosphere . Although this CRC table does not list water vapor … A sundog (or sun dog) is a bright, rainbow-colored patch of light that occurs on … You can see a solid-colored aurora, but it's possible to get a rainbow-like effect … The effect of both reflection and refraction is to change the direction of the … If you view a NASA photo of the sun, or a photo taken from any telescope, you're … "Blue lava" is the name given to the electric-blue flames emitted by molten sulfur. It … Illuminate the night sky with information on stars, planets, and galaxies, along with … The Once-Mysterious Phases of the Moon Explained. Journey Through the Solar … WebFeb 10, 2016 · The Flash's trip to Earth-2 explained how Supergirl fits into DC's TV Multiverse, but it's not the only show - or hero - being hinted at. ... Given how quickly the green hood slipped past, and the recent announcement that Legends would feature an older, goatee-ed Oliver Queen, some may have assumed they were seeing a similar … irish philatelic service