Photo of the Day: "Cloud to Earth" lightning is staggeringly common. It has been said that bolts hit the Earth's surface, on average, about 100 times per second. Here, lightning strikes under a dramatic desert sky. . . . #POTD #photooftheday #picoftheday #science #weather #desert #sky #skyporn #storm #stormchasers #stormchasing #pink #red #destination #travel #nature #naturephotography #naturalphenomenon #lightning #thunder #sciencesunday