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Spherical Earth - Wikipedia


The earliest reliably documented mention of the spherical Earth concept dates from around the ... Pythagoras (6th century BC) was among those said to have originated the idea ... "My conviction...

Who Discovered The Earth is Round? – Starts With A Bang


Sep 21, 2011 ... But this doesn't tell you whether the Earth is a flat disc or a round sphere; it only ... In particular, it said that, on the Summer Solstice, ... for discovering the Earth was round, and performing the first accurate calculation of its size!

who first discovered and proved the earth was round, not flat? How ...


Aug 15, 2006 ... So the person who first discovered that the world was round was ..... Many knew this for centuries but the catholic church said such talk was ...

The Round Earth and Christopher Columbus - ISTP


Dec 12, 2004 ... Even in ancient times sailors knew that the Earth was round and ... way the ship disappears from view, you will notice that the hull vanishes first, ...

The Round Earth and Christopher Columbus - Educational Web Sites


Mar 31, 2014 ... Christopher Columbus too knew that the Earth was round, when he ... and this Columbus proposed to do (and he wasn't the first one to suggest ...

Who was the first person to prove the Earth was round? - Quora


Although Aristotle makes some observational arguments for the earth being round, it seems that Eratosthenes (276-194BC) was the one that figured it out as he ...

History of the Round Earth Theory | Launchistory


Jun 19, 2012 ... The earliest of Greek philosophers to comment on the earth's shape being ... the first true explanation of how he believed the earth was round.

People in Columbus' Time Did Not Think the World Was Flat


May 8, 2013 ... They were well aware the Earth was round, having calculated with ... The idea seems to have first popped up in the 17th century and appears to have ... That being said, Christian Topography was often cited as support for the ...

10 Easy Ways You Can Tell For Yourself That The Earth Is Not Flat ...


Jan 26, 2016 ... This story was originally published on Smarter Than That in 2008. ... Humanity has known the Earth to be round for a few millenia and I've been meaning .... Simply said, gravity will pull toward the center of mass of the objects.

Who was the first person to declare that the Earth was round?


Eratosthenes, 200 b.c., within 5%. Addendum: Eratosthenes was the first to calculate the circumference of the Earth. The idea that it is round is much older.

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Who discovered that the Earth was round? | Reference.com


The discovery that the Earth is round is most commonly ascribed to the ancient ... Aristotle demonstrated the Earth was round by drawing on a variety of evidence: the ... First Discovered Earth Round · Galileo Proved the Earth Was Round ...

Who figured out the Earth is round? - StarChild - NASA


It has actually been known that the Earth was round since the time of the ancient Greeks. I believe that it was Pythagoras who first proposed that the Earth was ...

Who first discovered the world was round? | How It Works Magazine


Dec 29, 2012 ... We've known Earth is round for a longer time than you might expect…