<?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>S1870-35422008000200012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La materia oscura del universo: retos y perspectivas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-González]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,IPN Centro de Investigación y de Estudios Avanzados Departamento de Física]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<volume>54</volume>
<numero>2</numero>
<fpage>193</fpage>
<lpage>202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-35422008000200012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-35422008000200012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-35422008000200012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Entender la naturaleza de la materia oscura es uno de los retos más importantes de la física actual. En este trabajo se da una introducción didáctica a este tema, haciendo énfasis en los resultados observacionales que dan sustento a la existencia de la materia oscura. Se platica de los candidatos a este tipo de materia, de sus ventajas y problemas, además de las perspectivas inmediatas para entender su naturaleza]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Understanding the nature of dark matter is one of the greatest challenges of modern physics. This paper gives an introduction to teaching this subject, doing an emphasis on the observational results that give sustenance to the existence of dark matter. We talk about candidates for this king of matter, its advantages and problems, in addition to the immediate prospects for understanding the nature of it]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cosmología]]></kwd>
<kwd lng="es"><![CDATA[materia oscura]]></kwd>
<kwd lng="es"><![CDATA[energía oscura]]></kwd>
<kwd lng="en"><![CDATA[Cosmology]]></kwd>
<kwd lng="en"><![CDATA[dark matter]]></kwd>
<kwd lng="en"><![CDATA[dark energy]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Ense&ntilde;anza</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>La materia oscura del universo: retos y perspectivas</b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>A. V&aacute;zquez&#150;Gonz&aacute;lez<a href="#nota">*</a> y T. Matos </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, Centro de Investigaci&oacute;n y de Estudios Avanzados del IPN, Apartado Postal 14&#150;740,07000 M&eacute;xico D.F., M&eacute;xico, </i>e&#150;mail: <a href="mailto:jvazquez@fis.cinvestav.mx">jvazquez@fis.cinvestav.mx</a>, <a href="mailto:tmatos@fis.cinvestav.mx">tmatos@fis.cinvestav.mx</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 22 de abril de 2008    <br> Aceptado el 19 de septiembre de 2008</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">Entender la naturaleza de la materia oscura es uno de los retos m&aacute;s importantes de la f&iacute;sica actual. En este trabajo se da una introducci&oacute;n did&aacute;ctica a este tema, haciendo &eacute;nfasis en los resultados observacionales que dan sustento a la existencia de la materia oscura. Se platica de los candidatos a este tipo de materia, de sus ventajas y problemas, adem&aacute;s de las perspectivas inmediatas para entender su naturaleza.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Cosmolog&iacute;a; materia oscura; energ&iacute;a oscura.</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">Understanding the nature of dark matter is one of the greatest challenges of modern physics. This paper gives an introduction to teaching this subject, doing an emphasis on the observational results that give sustenance to the existence of dark matter. We talk about candidates for this king of matter, its advantages and problems, in addition to the immediate prospects for understanding the nature of it.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Cosmology; dark matter; dark energy.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS: 98.80.&#150;k; 95.35.+d; 95.36.+x</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/v54n2/v54n2a12.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>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Este trabajo es apoyado en parte por los proyectos CONACyT n&uacute;mero 49865&#150;F, 54576&#150;F, 56159&#150;F, y por el proyecto I0101/131/07 C&#150;234/07, a la colaboraci&oacute;n del Instituto Avanzado de Cosmolog&iacute;a (IAC).</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. J.P. Ostriker, P.J.E. Peebles y A. 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Turner, astro&#150;ph/0005210 29 Aug 2000.</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=8449484&pid=S1870-3542200800020001200028&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">29. astro&#150;ph/0005206 v2 12 Oct 2000.</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=8449485&pid=S1870-3542200800020001200029&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a name="nota"></a><b>Nota</b></font></p>     <p align="justify"><font face="verdana" size="2">*. Parte de la colaboracion del Instituto Avanzado de Cosmolog&iacute;a (IAC), <a href="http://www.iac.edu.mx/" target="_blank">http://www.iac.edu.mx/</a></font></p>      ]]></body><back>
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