Editing Planets beyond Neptune (section)

== Further reading ==
* {{Cite AV media |url=https://www.youtube.com/watch?v=xGfv3Oay_pY |title=Planet X Discovered?? |date=2016-02-17 |publisher=[[PBS Space Time]] |via=[[YouTube]]}}
* [http://www.nineplanets.org/hypo.html#planetx SEDS on Planet X]
* {{Cite journal |last=Standish |first=E. M. |date=May 1993 |title=Planet X - No dynamical evidence in the optical observations |journal=The Astronomical Journal |volume=105 |issue=5 |pages=2000 |bibcode=1993AJ....105.2000S |doi=10.1086/116575}}
* {{Cite journal |last=Quinlan |first=Gerald D. |date=May 1993 |title=Planet X: A Myth Exposed |journal=Nature |language=en |volume=363 |issue=6424 |pages=18 |bibcode=1993Natur.363...18Q |doi=10.1038/363018b0 |issn=0028-0836 |s2cid=29058579 |doi-access=free}}
* {{Cite journal |last1=Whitmire |first1=Daniel P. |last2=Matese |first2=John J. |name-list-style=amp |date=January 1985 |title=Periodic comet showers and planet X |journal=Nature |language=en |volume=313 |issue=5997 |pages=36–38 |bibcode=1985Natur.313...36W |doi=10.1038/313036a0 |issn=0028-0836 |s2cid=7658694}}
* {{Cite web |last1=Jones |first1=R. L. |last2=Brown |first2=M. E. |last3=Abell |first3=P. A. |last4=Becker |first4=A. C. |last5=Harris |first5=A. |last6=Ivezic |first6=Z. |display-authors=4 |date=2009 |title=Next steps in understanding the outer solar system: A whitepaper submitted to the 2010 Decadal Survey Committee |url=http://www8.nationalacademies.org/astro2010/DetailFileDisplay.aspx?id=288 |access-date=2009-04-10 |publisher=Submission to the National Academy of Sciences Board on Physics and Astronomy |format=PDF}}
* Andrew Coates provides a simplified summary of the [http://theconversation.com/claims-about-new-planets-that-turned-out-to-be-wrong-and-why-planet-nine-may-be-different-53573 history behind the search & claims] for [[Planet X]]
* {{cite journal|arxiv=2306.11109 |doi=10.1093/mnrasl/slad079 |title=Oort cloud (Exo)planets |date=2023 |last1=Raymond |first1=Sean N. |last2=Izidoro |first2=Andre |last3=Kaib |first3=Nathan A. |journal=Monthly Notices of the Royal Astronomical Society: Letters |volume=524 |pages=L72–L77 |doi-access=free }}

{{Pluto}}
{{Solar System}}
{{Portal bar|Physics|Stars|Spaceflight|Outer space|Science}}
{{featured article}}

{{DEFAULTSORT:Planets Beyond Neptune}}
[[Category:Astronomical controversies]]
[[Category:Hypothetical bodies of the Solar System|X]]
[[Category:Hypothetical planets]]
[[Category:Hypothetical trans-Neptunian objects]]
[[Category:Early scientific cosmologies]]
[[Category:Pluto's planethood]]
[[Category:Solar System dynamic theories]]
[[Category:Trans-Neptunian objects]]
[[Category:Planets of the Solar System]]
[[Category:Solar System]]