American <a href="https://en.wikipedia.org/wiki/Astronomer" id="mwmA" rel="mw:WikiLink" title="Astronomer">astronomer</a> <a href="https://en.wikipedia.org/wiki/Asaph_Hall" id="mwmQ" rel="mw:WikiLink" title="Asaph Hall">Asaph Hall</a> discovers <a href="https://en.wikipedia.org/wiki/Phobos_(moon)" id="mwmg" rel="mw:WikiLink" title="Phobos (moon)">Phobos</a>, one of <a href="https://en.wikipedia.org/wiki/Mars" id="mwmw" rel="mw:WikiLink" title="Mars">Mars</a>’s <a href="https://en.wikipedia.org/wiki/Moons_of_Mars" id="mwnA" rel="mw:WikiLink" title="Moons of Mars">moons</a>.<sup about="#mwt63" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-11"}}' id="cite_ref-11" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_18#cite_note-11" id="mwnQ" style="counter-reset: mw-Ref 11;"><span class="mw-reflink-text" id="mwng">[11]</span></a></sup><sup about="#mwt67" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_18#cite_note-12" id="mwnw" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mwoA">[12]</span></a></sup><sup about="#mwt71" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"Morley1989"},"body":{"id":"mw-reference-text-cite_note-Morley1989-13"}}' id="cite_ref-Morley1989_13-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./August_18#cite_note-Morley1989-13" id="mwoQ" style="counter-reset: mw-Ref 13;"><span class="mw-reflink-text" id="mwog">[13]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-11"><cite about="#mwt60" class="citation journal cs1" id="mwBxA"><a class="external text" href="http://adsabs.harvard.edu//full/seri/Obs../0001//0000181.000.html" id="mwBxE" rel="mw:ExtLink nofollow">"Notes: The Satellites of Mars"</a>. <i id="mwBxI">The Observatory</i>. <b id="mwBxM">1</b> (6): 181–185. 20 September 1877. <a class="mw-redirect" href="./Bibcode_(identifier)" id="mwBxQ" rel="mw:WikiLink" title="Bibcode (identifier)">Bibcode</a>:<a class="external text" href="https://ui.adsabs.harvard.edu/abs/1877Obs.....1..181." id="mwBxU" rel="mw:ExtLink nofollow">1877Obs.....1..181.</a><span class="reference-accessdate" id="mwBxY"> Retrieved <span class="nowrap" id="mwBxc">4 February</span> 2009</span>.</cite><span about="#mwt60" class="Z3988" id="mwBxg" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Observatory&amp;rft.atitle=Notes%3A+The+Satellites+of+Mars&amp;rft.volume=1&amp;rft.issue=6&amp;rft.pages=181-185&amp;rft.date=1877-09-20&amp;rft_id=info%3Abibcode%2F1877Obs.....1..181.&amp;rft_id=http%3A%2F%2Fadsabs.harvard.edu%2F%2Ffull%2Fseri%2FObs..%2F0001%2F%2F0000181.000.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AAugust+18"></span></span>