Cropped and turned version of image "Pioneer Venus orbiter.jpg"
NASA - National Aeronautics and Space Administration
<p>Original image - <a class="external free" href="https://en.wikipedia.org/wiki/File:Pioneer_Venus_orbiter.jpg">https://en.wikipedia.org/wiki/File:Pioneer_Venus_orbiter.jpg</a>
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Source of original image - <a rel="nofollow" class="external free" href="http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1978-051A">http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1978-051A</a>