Eudoxus of Cnidus (410 or 408 BC – 355 or 347 BC) was a Greek astronomer, mathematician, scholar and student of Plato. Since all his own works are lost, our knowledge of him is obtained from secondary sources, such as Aratus's poem on astronomy. Theodosius of Bithynia's Sphaerics may be based on a work of Eudoxus.

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Sun Sep 5 17:08:41 2010

Greatest mathematician, who?
Q. Isaac Newton Carl F. Gauss turing poincare Archimedes Leonhard Euler Euclid Bernhard Riemann Henri Poincare David Hilbert Alexander Grothendieck Gottfried W. Leibniz Joseph-Louis Lagrange Pierre de Fermat Niels Abel Evariste Galois John von Neumann Srinivasa Ramanujan Karl W. T. Weierstrass Brahmagupta Rene Descartes Augustin Cauchy Hermann K. H. Weyl Leonardo `Fibonacci' Carl G. J. Jacobi Peter G. L. Dirichlet Georg Cantor Arthur Cayley Emma Noether Eudoxus of Cnidus Kurt Goedel Pythagoras Bhascara Acharya Blaise Pascal Apollonius of Perga Muhammed al-Khowarizmi Pierre-Simon Laplace William Rowan Hamilton Richard Dedekind Charles Hermite Andre Weil Stefan Banach Felix Christian… [cont.]
Asked by George - Thu Mar 25 16:21:24 2010 - - 2 Answers - 1 Comments

A. Good old Isaac.
Answered by _,.-~^~-.,_,.-~^^~-.,_,.-~^~-.,_ - Thu Mar 25 16:26:04 2010

A few questions about who really came up with the Geocentric Theory?
Q. Why is it that when I go to many of the atheist or anti-creationist websites like Talk.Origins, Infidels, Atheist Geeks, etc. & read about the Geocentric theory; I see the claim that it was the Bible and the Roman Catholic Church who were the first ones to come up and promote the Geocentric theory, but when I go to neutral scientific websites or other neutral websites, I see the claim that it was Aristotle, Plato, Eudoxus of Cnidus, Ptolemy, & a few other ancient Greek philosophers who were the first ones to come up with the Geocentric theory, not the Bible & the Roman Catholic Church? For example: I also see that the creationist websites say the same thing about the Greek philosophers being the first to invent Geocentric theory, but… [cont.]
Asked by William L - Tue Jan 5 18:24:54 2010 - - 2 Answers - 0 Comments

A. The Geocentric theory probably wasn't "hypothesized" by anyone in particular, it's just how people observed it: you see the sun going around the earth, so the sun goes around the earth. Though technically, neither the Geocentric nor the Heliocentric theory is "right" or "wrong", it's just a matter of perspective. The Heliocentric theory is used mainly because it is quite a bit simpler to chart the movement of plants around the sun(plain circular orbits) than around the earth(weird looking orbits with lots of loop-de-loops)
Answered by Joel V - Tue Jan 5 18:33:31 2010

From Yahoo Answer Search: "Eudoxus of Cnidus"
Sun Sep 5 17:08:46 2010

eudoxus jpg
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The craters Eudoxus top and Aristotle below on the Moon

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math.tamu.edu
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from west to east The draconitic month the period of this sphere is 27 days 5 hours 5 minutes The moon is fixed on the great circle at this angle Homocentric spheres for the moon The description of the motion of the planets is more clever still

Eudoxus Of Cnidus jpg
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From Yahoo Image Search: "Eudoxus of Cnidus"
Sun Sep 5 17:08:45 2010

ARCHYTAS OF TARENTUM (fl. 428-347 BC)
robotics.youngester.com
ARCHYTAS OF TARENTUM (fl. 428-347 BC)

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Mon, 15 Dec 2008 11:37:00 GM

He was a friend of Plato and a teacher of . Eudoxus of Cnidus. . A valley at the North Pole of the moon has been named "Archytas" in his honour. Work The idea of flight had a perennial and passionate fascination for many ancient peoples; ...

From Google Blog Search: "Eudoxus of Cnidus"
Sun Sep 5 17:08:45 2010

  • Eudoxus of CnidusEudoxus of Cnidus
    scienceworld.wolfram.com
    Biography of the mathematician from Eric Weisstein's World of Scientific Biography.
  • Eudoxus of CnidusEudoxus of Cnidus
    math.tamu.edu
    Biography of the astronomer and mathematician.
  • Eudoxus of CnidusEudoxus of Cnidus
    www-history.mcs.st-andrews.ac.uk
    Biography of the mathematician with links to relevant terms and related links. From the MacTutor History of Mathematics Archive.
  • Eudoxus of Cnidus - Wikipedia - Biography of the mathematician with links to relevant terms.
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Fri Apr 2 11:33:05 2010