Editing Double planet (section)

==References==
'''Informational notes'''
{{Reflist|group="Footnote"}}

'''Citations'''
{{Reflist}}

'''Bibliography'''
*  {{Cite journal
| last1 = Stern | first1 =  S. Alan
| title = Clyde Tombaugh (1906–97) Astronomer who discovered the Solar System's ninth planet
| journal = Nature
| volume = 385
| issue = 6619
| pages = 778
| doi = 10.1038/385778a0
| date = 27 February 1997
| postscript =  Pluto–Charon is "the only known example of a true double planet".
|bibcode = 1997Natur.385..778S | doi-access = free
}}
* {{Cite journal
| last1 = Lissauer | first1 = Jack J.
| title = It's not easy to make the Moon
| journal = Nature
| volume = 389
| issue = 6649
| pages = 327–328
| doi = 10.1038/38596
| date = 25 September 1997
| postscript =  Compares the double-planet theories of Earth–Moon and Pluto–Charon formations.
|bibcode = 1997Natur.389..327L | s2cid = 5416221
}}

'''Further reading'''
* {{cite book |last= Asimov |first= Isaac |date= 1960 |title= The Double Planet |location= New York |publisher= Abelard-Schuman }}
* {{cite book |last= Asimov |first= Isaac |date= 1990 |title= Pluto: A Double Planet? |location= Milwaukee |publisher= G. Stevens |isbn= 9781555323738 }}  
* {{Cite journal
| last1 = Cabrera | first1 = J.
| last2 = Schneider | first2 = J.
| doi = 10.1051/0004-6361:20066111
| title = Detecting companions to extrasolar planets using mutual events
| journal = Astronomy and Astrophysics
| volume = 464
| issue = 3
| pages = 1133–1138
| year = 2007
| arxiv = astro-ph/0703609
| bibcode = 2007A&A...464.1133C 
| s2cid = 14665906
}}