Nulmeridiaan: ferskil tusken ferzjes
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L robot Erbij: eu:Greenwich meridianoa |
Ptolemaeus |
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Rigel 3:
== Klassike nulmeridiaan ==
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== Moderne nulmeridianen ==
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L robot Erbij: eu:Greenwich meridianoa |
Ptolemaeus |
||
Rigel 3:
== Klassike nulmeridiaan ==
[[
== Moderne nulmeridianen ==
|