Astro-Constants
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<?xml version="1.0" encoding="UTF-8"?>
<Collection>
<title>Astro::Constants</title>
<description>Physical constants for astronomy for use in Astro::Constants v0.12</description>
<timestamp>Wed Jul 5 10:30:55 2017</timestamp>
<version>v0.12</version>
<source>2014 CODATA</source>
<link href="http://metacpan.org/pod/Astro::Constants" />
<items>
<PhysicalConstant>
<name type="long">SPEED_LIGHT</name>
<name type="short">A_c</name>
<alternateName>LIGHT_SPEED</alternateName>
<description>speed of light in a vacuum</description>
<value system="MKS">2.99792458e8</value>
<value system="CGS">2.99792458e10</value>
<uncertainty type="relative">0</uncertainty>
<dimensions />
<maxValue />
<minValue />
<url href="http://physics.nist.gov/cgi-bin/cuu/Value?c" />
<categoryList>
<category>fundamental</category>
<category>cosmology</category>
<category>electromagnetic</category>
</categoryList>
</PhysicalConstant>
</items>
</Collection>
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