Assuming Euclidean geometry in expanding Universe

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Assuming Euclidean geometry in an expanding Universe, and usingHubble's Law, find a formula which gives the angular size inarcseconds, of a nearby galaxy whose diameter, S is 200kpc, as afunction of the observed wavelength for the twice ionized oxygenline with rest wavelength 5007 angstroms.

Reference no: EM13556768

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