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Cosmas
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Illustration for Demystified "How Dangerous is Quicksand"
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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
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Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
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Cosmas: Facts & Related Content

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Facts

Also Known As Indicopleustes
Flourished c.501 - c.600
Six astronomers, after Gerard Hoet (1692)
Hipparchus
Greek astronomer
Strabo
Strabo
Greek geographer and historian
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Scylax Of Caryanda
Greek explorer
Artemidorus
Greek geographer
Antoine-Thomson d’Abbadie
French geographer
Eduard Brückner
Austrian geographer and climatologist
Arnaud-Michel d’Abbadie
French geographer
Alexander von Humboldt
Alexander von Humboldt
German explorer and naturalist
Al-Bīrūnī, Afghan commemorative stamp, 1973.
al-Bīrūnī
Persian scholar and scientist
Title page of Richard Hakluyt's The Principall Navigations, Voiages and Discoveries of the English Nation
Richard Hakluyt
British geographer
Powell, John Wesley
John Wesley Powell
American explorer, geologist, and ethnologist
Halford Mackinder
Halford Mackinder
British political geographer
Muḥammad al-Idrīsī
Arab geographer
Karl Ernst, Ritter von Baer
Karl Ernst von Baer
Prussian-Estonian embryologist
al-Masʿūdī
Arab historian
Leopold, Baron von Buch
German geologist
German scholar Carl Ritter
Carl Ritter
German geographer
Li Zhizao
Chinese mathematician and astronomer
Alfred Hettner
German geographer