Subject / Started by | ||
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Erathostenes and the North Star
Started by Zack Bimmel |
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Flat Earth Questions.
Started by ElTrancy |
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ADS-B using satellites
Started by inquisitive |
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The Ice Wall and the Cretaceous Period
Started by Huge |
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Spotlight Sun
Started by Bobby Shafto |
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Australia
Started by TheDoctorGaming |
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