WHITE RAINBOW "As I stepped outside early this morning, I noticed fog beginning to develop," says Doug Zubenel of De Soto, Kansas. "Later, driving by a muddy field on the way to work, I was gifted by this scene"
ראיתם פעם? גם אני לא.. צילומים Doug Zubenel מקנזס
צילום מהאיים הקנריים from Maxime Spano and Marc Cherix of La Palma observatory, Canary island
מגרמניה from Eva Seidenfaden of Trier, Germany
אחרונה חביבה מילה זינקובה מסן פרנסיסקו Mila Zinkova of San Francisco, California
The "white rainbow" arcing over the sunflowers is actually a fogbow
Atmospheric optics expert Les Cowley explains: "Fogbows are formed like rainbows, with tiny fog droplets taking the place of much larger raindrops. Light waves squeezed inside the small drops interfere to produce the broad almost-colorless bow. Always look for ghostly fogbows when a low sun starts to shine through mist or fog."
To capture his fogbow, "I had to squish my way out into a wet field," adds Zubenel. "But it was the most enjoyable muddying of my shoes ever!"
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