Hilbert (crater)
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Nectarian
Alphonsus (crater)
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Pre-Nectarian
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Lunar geologic timescale
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Mare Serenitatis
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Mare Undarum
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Mare Smythii
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Mare Spumans
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Mare Moscoviense
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Mare Fecunditatis
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Mare Humboldtianum
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Mare Nectaris
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Mare Crisium
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Mare Anguis
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Mare Imbrium
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Moon
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Geologic time scale
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