الصفحة الرئيسيةYahoo News - Latest News & Headlines The Polar Vortex Is Causing Striking Solar Phenomena Called 'Sundogs.' Here's What to Know byHasibul Hasan —فبراير 01, 2019 0 Sundogs form when sunlight refracts off ice crystals in the atmosphere and result in colored spots of light near the sun. from Yahoo News - Latest News & Headlines https://yhoo.it/2UwQVPU
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