"Pluto" is officially proposed for the name of <a href="https://en.wikipedia.org/wiki/Pluto" id="mw5g" rel="mw:WikiLink" title="Pluto">the newly discovered dwarf planet</a> by <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Vesto_Slipher" id="mw5w" rel="mw:WikiLink" title="Vesto Slipher">Vesto Slipher</a> in the <i id="mw6A"><a href="https://en.wikipedia.org/wiki/Lowell_Observatory" id="mw6Q" rel="mw:WikiLink" title="Lowell Observatory">Lowell Observatory</a> Observation Circular</i>. The name quickly catches on.<sup about="#mwt83" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-13"}}' id="cite_ref-13" rel="dc:references" typeof="mw:Extension/ref"><a href="./May_1#cite_note-13" id="mw6g" style="counter-reset: mw-Ref 13;"><span class="mw-reflink-text" id="mw6w">[13]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-13"><cite about="#mwt77" class="citation book cs1" id="CITEREFLittmann2004">Littmann, Mark (2004). <a class="external text" href="https://books.google.com/books?id=RoJMadct4TQC" id="mwB1k" rel="mw:ExtLink nofollow"><i id="mwB1o">Planets Beyond: Discovering the Outer Solar System</i></a>. Mineola, N.Y.: Dover Publications. pp.<span id="mwB1s" typeof="mw:Entity"> </span>84–86. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB1w" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB10" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-486-43602-9" id="mwB14" rel="mw:WikiLink" title="Special:BookSources/978-0-486-43602-9"><bdi id="mwB18">978-0-486-43602-9</bdi></a></cite><span about="#mwt77" class="Z3988" id="mwB2A" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Planets+Beyond%3A+Discovering+the+Outer+Solar+System&amp;rft.place=Mineola%2C+N.Y.&amp;rft.pages=84-86&amp;rft.pub=Dover+Publications&amp;rft.date=2004&amp;rft.isbn=978-0-486-43602-9&amp;rft.aulast=Littmann&amp;rft.aufirst=Mark&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRoJMadct4TQC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+1"></span>; <link about="#mwt80" data-mw='{"name":"templatestyles","attrs":{"src":"Module:Citation/CS1/styles.css"},"body":{"extsrc":""},"parts":[{"template":{"target":{"wt":"cite book","href":"./Template:Cite_book"},"params":{"last1":{"wt":"Cruikshank"},"first1":{"wt":"Dale P."},"last2":{"wt":"Sheehan"},"first2":{"wt":"William"},"title":{"wt":"Discovering Pluto: Exploration at the Edge of the Solar System"},"location":{"wt":"Tucson, Ariz."},"publisher":{"wt":"The University of Arizona Press"},"date":{"wt":"2019"},"isbn":{"wt":"978-0-8165-3938-3"},"url":{"wt":"https://books.google.com/books?id=YeRHDwAAQBAJ"},"pages":{"wt":"148–151"}},"i":0}}]}' href="mw-data:TemplateStyles:r1215172403" id="mwB2E" rel="mw-deduplicated-inline-style" typeof="mw:Extension/templatestyles mw:Transclusion"/><cite about="#mwt80" class="citation book cs1" id="CITEREFCruikshankSheehan2019">Cruikshank, Dale P.; Sheehan, William (2019). <a class="external text" href="https://books.google.com/books?id=YeRHDwAAQBAJ" id="mwB2I" rel="mw:ExtLink nofollow"><i id="mwB2M">Discovering Pluto: Exploration at the Edge of the Solar System</i></a>. Tucson, Ariz.: The University of Arizona Press. pp.<span id="mwB2Q" typeof="mw:Entity"> </span>148–151. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwB2U" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwB2Y" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-8165-3938-3" id="mwB2c" rel="mw:WikiLink" title="Special:BookSources/978-0-8165-3938-3"><bdi id="mwB2g">978-0-8165-3938-3</bdi></a>.</cite><span about="#mwt80" class="Z3988" id="mwB2k" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Discovering+Pluto%3A+Exploration+at+the+Edge+of+the+Solar+System&amp;rft.place=Tucson%2C+Ariz.&amp;rft.pages=148-151&amp;rft.pub=The+University+of+Arizona+Press&amp;rft.date=2019&amp;rft.isbn=978-0-8165-3938-3&amp;rft.aulast=Cruikshank&amp;rft.aufirst=Dale+P.&amp;rft.au=Sheehan%2C+William&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DYeRHDwAAQBAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMay+1"></span></span>