Solar sails rely upon pressure exerted by sunlight on large surfaces. Get the sail closer to the sun and, not surprisingly, efficiency increases. A proposed new mission called Mercury Scout aims to take advantage of this to explore Mercury. The mission will map the Mercurian surface down to a resolution of 1 meter and, using the highly reflective sail surface to illuminate shadowed craters, could hunt for water deposits.
Solar sails rely upon pressure exerted by sunlight on large surfaces. Get the sail closer to the sun and, not surprisingly, efficiency increases. A proposed new mission called Mercury Scout aims to take advantage of this to explore Mercury. The mission will map the Mercurian surface down to a resolution of 1 meter and, using the highly reflective sail surface to illuminate shadowed craters, could hunt for water deposits.
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