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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