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bn:27268807n
Noun Concept
EL
No term available
EN
The cosmic distance ladder is the succession of methods by which astronomers determine the distances to celestial objects. Wikipedia
Relations
Sources
IS A
τεχνική μέτρησης
HAS PART
πρότυπο χάρακα
EN
standard candle
HAS KIND
EN
period-luminosity relation
HAS PARTS OF THE CLASS
τεχνική μέτρησης
USES
ραντάρ
παράλλαξη
μετατόπιση προς το ερυθρό
πρότυπο χάρακα
tully-fisher σχέση
+2 relations

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