File:Phase change - az.png

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English Hungarian Az Éta Carinae-köd legfényesebb része a La Silla Observatory mozaikfelvételén. A képen a legfényesebb csillag az Éta Carinae, a Kulcslyuk-ködtől

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give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that

félnyílásszögű kúpfelület mentén halad. β = v/c, n a közeg törésmutatója. Az ábráról látható, hogy: cos ⁡ θ = 1 n β {\displaystyle \cos \theta ={\frac