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Epocha (astronomie)

Epocha v astronomii označuje určitý přesně definovaný okamžik ve zvolené časové stupnici, ke kterému se vztahují časově proměnné astronomické veličiny, zejména souřadnice objektů (v tomto smyslu se používá pro epochu v češtině i pojem ekvinokcium), elementy dráhy nebeských těles, či údaje o světelných změnách proměnných hvězd, což umožňuje jejich…

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Epocha (astronomie)

Nodes48
Edges47
Triples0
Avg. degree1.96
Density0.041667
Components1

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souřadnice epocha epochu ekvinokcium hvězd roku souřadnic katalogu ke kterému těles což pozorování j2000 systému jsou označuje okamžik pojem nebeských

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