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Groklaw: A History of Free and Open Source--Introduction

Mar 28, 2005, 16:45 (0 Talkback[s])
(Other stories by Peter H. Salus)

"The activities of a distributed and unorganized band of scholars led to the conceptual revolution that produced the modern world. For example, Copernicus (1473-1543) observed the heavens and recorded his measurements. In 1563, Tycho Brahe (1546-1601) noted that Copernicus' figures weren't quite right, so, from 1577 to 1597, Tycho recorded extraordinarily accurate astronomical measurements. In 1599 Tycho moved from Denmark to Prague, where Johannes Kepler (1571-1630) was his assistant, until he succeeded him in 1601, when Tycho died.

"Copernicus established heliocentricity. Tycho found that circular orbits just didn't work, and devoted decades to better measurements, which Kepler later used to determine that the orbits were ellipses, not circles..."

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