Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Daedalus warned Icarus that if he flew too high, the Sun would melt his wings. Pictured , Pathfinder-Plus is flying above Hawaii soon after soaring to a record height of 24,700 meters. Pathfinder's wings spread nearly 30 meters, and its total mass is only about 270 kilograms. NASA's Pathfinder-Plus is flown by remote control, and can stay aloft for weeks at a time.
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