<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1870-3542</journal-id>
<journal-title><![CDATA[Revista mexicana de física E]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fís. E]]></abbrev-journal-title>
<issn>1870-3542</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-35422009000200010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Luz y sombra de Galileo Galilei]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez García]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias Departamento de Física]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<volume>55</volume>
<numero>2</numero>
<fpage>221</fpage>
<lpage>227</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-35422009000200010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-35422009000200010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-35422009000200010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Al margen de las distintas opiniones formales que se tienen de Galileo Galilei, aquí se presenta una imagen basada fundamentalmente en su propia personalidad, la cual permite explicar algunos episodios importantes de la vida del gran científico italiano. En particular, su relación con Kepler y las primeras reacciones, por parte de los académicos italianos, que siguieron a sus descubrimientos con el telescopio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Beyond the various formal images about Galileo Galilei that exist, in this paper I present an image focused on his character and personality, which may allow to explain some important facts of the great Italian scientist's life. Galileo's relationship with Kepler and the firs reactions of the Italian academics, after his discoveries with the telescope are analyzed with some detail.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Galileo Galilei]]></kwd>
<kwd lng="es"><![CDATA[Kepler]]></kwd>
<kwd lng="es"><![CDATA[académicos jesuitas]]></kwd>
<kwd lng="es"><![CDATA[descubrimientos con el telescopio]]></kwd>
<kwd lng="en"><![CDATA[Galileo Galilei]]></kwd>
<kwd lng="en"><![CDATA[Kepler]]></kwd>
<kwd lng="en"><![CDATA[jesuit academic]]></kwd>
<kwd lng="en"><![CDATA[discoveries with telescope]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Historia y filosof&iacute;a de la f&iacute;sica</font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Luz y sombra de Galileo Galilei</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>J.L. &Aacute;lvarez Garc&iacute;a</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>Departamento de F&iacute;sica, Facultad de Ciencias, Universidad Nacional Aut&oacute;noma de M&eacute;xico, Ciudad Universitaria, Circuito Exterior, 04510, M&eacute;xico, D.F, M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 8 de mayo de 2009    <br>   Aceptado el 18 de agosto de 2009</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">Al margen de las distintas opiniones formales que se tienen de Galileo Galilei, aqu&iacute; se presenta una imagen basada fundamentalmente en su propia personalidad, la cual permite explicar algunos episodios importantes de la vida del gran cient&iacute;fico italiano. En particular, su relaci&oacute;n con Kepler y las primeras reacciones, por parte de los acad&eacute;micos italianos, que siguieron a sus descubrimientos con el telescopio.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Galileo Galilei; Kepler; acad&eacute;micos jesuitas; descubrimientos con el telescopio.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">Beyond the various formal images about Galileo Galilei that exist, in this paper I present an image focused on his character and personality, which may allow to explain some important facts of the great Italian scientist's life. Galileo's relationship with Kepler and the firs reactions of the Italian academics, after his discoveries with the telescope are analyzed with some detail.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Galileo Galilei; Kepler; jesuit academic; discoveries with telescope. </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 01.70.+w; 01.65.+g</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmfe/v55n2/v55n2a10.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. A. Koestler, <i>Los son&aacute;mbulos, </i>CONACYT, Mexico (1981) 348.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504659&pid=S1870-3542200900020001000001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. G. Galilei, "Capitolo contro il portar la toga", <i>Opere </i><b>IX</b> 21.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504660&pid=S1870-3542200900020001000002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">3. <i>Ibid.</i></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">4. E. Zinner, <i>Enstehung und Ausbreitung der Copernicanischen Lehre, </i>Erlangen (1943) p. 514. (Citado en A. Koestler, <i>op. cit., </i>p. 355.)</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504662&pid=S1870-3542200900020001000003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. G. Galilei, <i>Difesa contro alle calumnie et impostura di Baldassare Capra, </i>Venecia (1607).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504663&pid=S1870-3542200900020001000004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. G. Galilei, Il <i>Saggiatore (El ensayador), </i>Ed. Aguilar, Buenos Aires (1981) p. 33 (El subrayado en la cita es m&iacute;o.)</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504664&pid=S1870-3542200900020001000005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">7. Citado en A. Koestler, <i>op. cit., </i>p. 421.</font></p>     <p align="justify"><font face="verdana" size="2">8. <i>Cf. A. </i>Koestler, <i>op. cit., </i>p. 421.</font></p>     <p align="justify"><font face="verdana" size="2">9. G. Galilei, <i>Il Saggiatore, op. cit., </i>p. 32.</font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">10. S. Drake, <i>Discoveries and Opinions of Galileo.</i></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504668&pid=S1870-3542200900020001000006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">11. G. Galilei, Il <i>Saggiatore, op. cit. </i>(Citado en A. Koestler, <i>op. cit., </i>p. 422) (El subrayado en la cita es m&iacute;o.)</font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">12. G. Galilei, <i>Dialogue on the Great World Systems (Di&aacute;logo sobre los principales sistemas del mundo) </i>Santillana, Chicago (1953) p. 354. (El subrayado en la cita es m&iacute;o.)</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504670&pid=S1870-3542200900020001000007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">13. Citado en A. Koestler, <i>op. cit., </i>p. 362.</font></p>     <p align="justify"><font face="verdana" size="2">14. <i>Cf. </i>G. Galilei, <i>Il Saggiatore, op. cit. </i>Pr&oacute;logo de Jos&eacute; Manuel Revuelta, p. 16.</font></p>     <p align="justify"><font face="verdana" size="2">15. <i>Ibid., </i>p. 17.</font></p>     <p align="justify"><font face="verdana" size="2">16. Citado en A. Koestler, <i>op. cit., </i>p. 461.</font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">17. Carta de Magagnati, <i>Opere, </i><b>X</b> 182.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504675&pid=S1870-3542200900020001000008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">18. Scandaletti, <i>Galileo privato, </i>p. 103;    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504676&pid=S1870-3542200900020001000009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --> A. Favaro, <i>Studio, </i><b>II</b> 47;    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504677&pid=S1870-3542200900020001000010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --> G. Galilei, <i>La sensata esperienza, </i>pp. 246 y 251.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504678&pid=S1870-3542200900020001000011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">19. <i>Cf. </i>J. Reston Jr., <i>op. cit </i>p. 75.</font></p>     <p align="justify"><font face="verdana" size="2">20. <i>Ibid </i>p. 141.</font></p>     <p align="justify"><font face="verdana" size="2">21. <i>Cf. A. </i>Koestler, <i>op. cit </i>p. 362.</font></p>     <p align="justify"><font face="verdana" size="2">22. Citado en <i>ibidp. </i>366.</font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">23. Carta a Belisario Vinta, <i>Opere </i>p. 887.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504683&pid=S1870-3542200900020001000012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">24. <i>Johannes Kepler, </i>Gesammelte Werke, Obra Completa (1938). (Citada en A. Koestler, <i>op. cit </i>p. 367).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8504684&pid=S1870-3542200900020001000013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">25. Citada en <i>ibid. </i>368.</font></p>     <p align="justify"><font face="verdana" size="2">26. <i>Cf. </i>J. Reston Jr., <i>op. cit </i>p. 146.</font></p>     <p align="justify"><font face="verdana" size="2">27. <i>Ibid </i>p. 147. </font></p>     <p align="justify"><font face="verdana" size="2">28. A. Koestler, <i>op. cit </i>p. 345.</font></p>      ]]></body><back>
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