Subject / Started by | ||
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Eötvös Effect
Started by AATW |
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Somewhere Beyond The Sea...
Started by AATW |
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Sunset At Altitude
Started by AATW |
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Empiricism and our Senses
Started by AATW |
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Long Shadows At Sunset
Started by AATW |
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One Pole or Two?
Started by AATW |
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Flight from South America to Australia
Started by A_Buffer |
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Locations on a bi-polar flat earth
Started by acacius |
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Photo that shows curvature of the earth
Started by ad1mt |
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Dome model and thermodynamics
Started by Addina |
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cold moonlight
Started by Addina |
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Stellar Parallax
Started by Addina |