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The top documents tagged [horizon stars]
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horizon stars
Sailing: Plumb-line Navigation. Tony Crowley Please support the Africa Mercy hospital ship.
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Astronomy Jeopardy $100 Geo/Helio Telescopes/ Constellations Galaxies/ Big Bang GravityVocab $200 $300 $400 $500 $400 $300 $200 $100 $500 $400 $300 $200.
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Jack's Camp
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Camp Kalahari
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