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Nautical Almanac Complete 2014 Nautical Almanac in pdf format |
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AstroNav Star Altlas, Almanac, Eclipses, Twilights + Voy Planner for 9999BC to 9999AD |
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Colliding Galaxies Colliding Galaxies - software to simulate interacting galaxies |
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VRMars-Spirit - The Red Planet Mars 3D Similar to 3D games VRPresents Software on Mars Exploration Rover Spirit Mission |
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