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  <Identification_Area>
      <logical_identifier>urn:nasa:pds:context:target:planet.venus</logical_identifier>
      <version_id>1.3</version_id>
      <title>Venus</title>
      <information_model_version>1.13.0.0</information_model_version>
      <product_class>Product_Context</product_class>
    
      <Alias_List>
          <Alias>
              <alternate_title>NAIF ID 299</alternate_title>
          </Alias>
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        <Modification_Detail>
            <modification_date>2020-07-12</modification_date>
            <version_id>1.3</version_id>
            <description>
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                Format improvements for easier reading.
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        <Modification_Detail>
            <modification_date>2018-11-18</modification_date>
            <version_id>1.2</version_id>
            <description>
                From PDS Rings node.
            </description>
        </Modification_Detail>
        
        <Modification_Detail>
            <modification_date>2018-06-23</modification_date>
            <version_id>1.1</version_id>
            <description>
                From PDS RINGS node. 
                Added NAIF ID alias. 
                Shortened description
            </description>
        </Modification_Detail>
      
        <Modification_Detail>
            <modification_date>2016-10-01</modification_date>
            <version_id>1.0</version_id>
            <description>
                Extracted metadata from PDS3 catalog and
                modified to meet PDS4 requirements.
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  <Reference_List>
      <External_Reference>
          <reference_text>
              https://nssdc.gsfc.nasa.gov/planetary/factsheet/venusfact.html
          </reference_text>
          <description>
              Fact sheet maintained by NASA Space Science Data Coordinated Archive.
              Includes some comparative Earth values.
          </description>
      </External_Reference>
      
      <External_Reference>
          <reference_text>
              https://en.wikipedia.org/wiki/Venus
          </reference_text>
          <description>
              Overview and summary list of orbital parameters and physical characteristics.
          </description>
      </External_Reference>
      
      <External_Reference>
          <reference_text>
              Bougher, Steven W., Donald M. Hunten, and Roger J. Phillips (editors).  
              Venus II: Geology, Geophysics, Atmosphere, and Solar Wind Environment, 
              Tucson: The University of Arizona Press, 1362 pp., 1997.
          </reference_text>
          <description>
              A compendium of knowledge about Venus as of the late 1990s, after the Galileo
              flyby (1990), end of the Pioneer Venus Orbiter mission (1992), and end of the
              Magellan mission (1994). Thirty-six chapters under nine major headings cover 
              the solar wind environment, upper atmosphere (100 km and above), lower atmosphere, 
              surface processes, geologic structure, volcanism, tectonism, impact cratering, 
              and geodynamics.
          </description>
      </External_Reference>
      
      <External_Reference>
          <reference_text>
              Venus III, edited by Bruno Bézard, Christopher T. Russell, Takehiko Satoh, Suzanne E. Smreka
              and Colin F. Wilson.  Springer Nature, 2018.
	          https://link.springer.com/journal/11214/topicalCollection/AC_2be6ce3ade85a8ca6cb138adb26c7055
          </reference_text>
          <description>
              Ten papers plus an introduction summarizing the state of Venus knowledge at
	          the end of the Venus Express mission.
          </description>
      </External_Reference>
  </Reference_List>
  
  <Target>
      <name>Venus</name>
      <type>Planet</type>
      <description>
          The second planet from the Sun in the Solar System.
          One of the terrestrial (rocky) planets.
      </description>
  </Target>
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