Answer to Question #171541 in Astronomy | Astrophysics for Phamei Rumthao

Question

 Consider a spherical galaxy in which the velocity distribution is such that their directions are uniformly distributed in all directions. If we make the assumption that the magnitude of the velocities are equal and have a value of vs. The distance to the galaxy is D and the Hubble constant is H0. The emmision line of a certain element is observed whose wavelength as measured a laboratory setup is λ0. Calculate the line profile of this emission line from the galaxy. 

Answer 1

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