The overall diameter of the Milky Way is of the order of 20 to 30 kpc 30 to 40 k

Question

The overall diameter of the Milky Way is of the order of 20 to 30 kpc 30 to 40 kpc 40 to 50 kpc 50 to 100 kpc 100 to 200 kpc List the order of the different models of our galaxy from smallest to largest. Herschel, Kapteyn, Shapley Herschel, Shapley, Kapteyn Shapley, Herschel, Kapteyn Shapley, Kapteyn, Herschel Kapteyn, Herschel, Shapley Kapteyn, Shapley, Herschel The absorption line from a celestial object normally occurs at 400 nm, but it is shifted to 480 nm. What is the redshift, "z" of the celestial object? 0.2 0.3 0.4 0.5

Explanation / Answer

12) the correct answer is option no.a i.e 20- 30 kpc which is in an approximate value of the diameter of milky way galaxy.

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