Discuss the “Great Debate†that took place between Harlow
Shapley and Heber Curtis in 1920. (a)...
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Physics
Discuss the “Great Debate†that took place between HarlowShapley and Heber Curtis in 1920. (a) What werethe major arguments on each side of the question of whether thespiral nebulae were Galactic (in the Milky Way) or extragalactic(outside the Milky Way)? (b) Briefly outline howShapley estimated the size of the Milky Way.
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IN 1920 there was a great debate between Shapley and Curtis This was about the milky way galaxy Shapley believed that distant nebulae were relatively small and lay within the outskirts of Earths home galaxy while Curtis held that they were in fact independent galaxies implying that they were exceedingly large and distant a Shapley was arguing in favour of the Milky Way as the
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