Answer: was held on 26 April 1920 at the Smithsonian Museum of Natural History, between the astronomers Harlow Shapley and Heber Curtis. It concerned the nature of so-called spiral nebulae and the size of the universe; Shapley believed that distant nebulae were relatively small and lay within the outskirts of Earth's home galaxy, while Curtis held that they were in fact independent galaxies, implying that they were exceedingly large and distant.
The two scientists first presented independent technical papers about "The Scale of the Universe" during the day and then took part in a joint discussion that evening. Much of the lore of the Great Debate grew out of two papers published by Shapley and by Curtis in the May 1921 issue of the Bulletin of the National Research Council. The published papers each included counter arguments to the position advocated by the other scientist at the 1920 meeting.
In the aftermath of the public debate, scientists have been able to verify individual pieces of evidence from both astronomers, but on the main point of the existence of other galaxies, Curtis has been proven correct.
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Alexander the great was the king of ancient Macedonia for less than 13 years, he was also one of the world's greatest military generals. Alexander the great created a vast empire that stretched from Macedonia to Egypt and from Greece to part of India, which allowed for Hellenistic culture to become widespread.
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Both sides believed the war would be short lived, so little attention was paid to prisons.
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In Uncle Tom's Cabin, Harriet Beecher Stowe shared ideas about the injustices of slavery, pushing back against dominant cultural beliefs about the physical and emotional capacities of black people. Stowe became a leading voice in the anti-slavery movement, and yet, her ideas about race were complicated.
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