<a href="https://en.wikipedia.org/wiki/Apollo_17" id="mwxw" rel="mw:WikiLink" title="Apollo 17">Apollo 17</a>, the last <a href="https://en.wikipedia.org/wiki/Apollo_program" id="mwyA" rel="mw:WikiLink" title="Apollo program">Apollo Moon mission</a>, is launched.<sup about="#mwt49" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"launchops"},"body":{"id":"mw-reference-text-cite_note-launchops-7"}}' id="cite_ref-launchops_7-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_7#cite_note-launchops-7" id="mwyQ" style="counter-reset: mw-Ref 7;"><span class="mw-reflink-text" id="mwyg">[7]</span></a></sup> The crew takes the photograph known as <i id="mwyw"><a href="https://en.wikipedia.org/wiki/The_Blue_Marble" id="mwzA" rel="mw:WikiLink" title="The Blue Marble">The Blue Marble</a></i> as they leave the Earth.<sup about="#mwt53" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-8"}}' id="cite_ref-8" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_7#cite_note-8" id="mwzQ" style="counter-reset: mw-Ref 8;"><span class="mw-reflink-text" id="mwzg">[8]</span></a></sup>