Snapzu Pics and GIFs: December 2016

Tuesday, 20 December 2016

Ice Rafts

The water currents in the Missouri River create ice rafts, or pods of frazil, as the freezing water swirls while flowing downstream.
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Sunday, 18 December 2016

Monday, 12 December 2016

Sunday, 11 December 2016

Have you ever watched a lightning storm in awe? Join the crowd. Oddly, nobody knows exactly how lightning is produced. What is known is that charges slowly separate in some clouds causing rapid electrical discharges (lightning), but how electrical charges get separated in clouds remains a topic of much research. Lightning usually takes a jagged course, rapidly heating a thin column of air to about three times the surface temperature of the Sun. The resulting shock wave starts supersonically and decays into the loud sound known as thunder.
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