Anh
polar distance
Đức
Poldistanz
Polabstand
Pháp
distance polaire
distance zénithale
Poldistanz /SCIENCE/
[DE] Poldistanz
[EN] polar distance
[FR] distance polaire
Polabstand,Poldistanz /SCIENCE/
[DE] Polabstand; Poldistanz
[FR] distance zénithale