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	Ptolemy's Geocentric Model (Science360 - Beyond the Sky) View
	Claudius Ptolemy The Ancient Astronomer-Mathematician (Math Mystique) View
	What really happened to the Library of Alexandria - Elizabeth Cox (TED-Ed) View
	Galileo Galilei for Kids \| Learn about this famous scientist and mathematician (Learn Bright) View
	Why was the Rosetta Stone so important - Franziska Naether (TED-Ed) View
	History vs. Cleopatra - Alex Gendler (TED-Ed) View
	Ptolemy's Model Of The Universe (The Space Science) View
	Life Stories of Scientists; Ptolemy; AD100 - AD170 : - 11. #ptolemy #scientists (Ameen Academy) View
	The real story behind Archimedes’ Eureka! - Armand D'Angour (TED-Ed) View
	Claudius Ptolemy (SliderBase) View