Editing Paris Observatory (section)

=== Nançay ===
[[File:Nançay Plan 02.jpg|thumb|Nançay radar antenna]]
After the Second World War, French astronomers began designing and building instruments for radio astronomy.<ref name=":2">{{Cite journal|title=2010JAHH...13...29L Page 29|journal = Journal of Astronomical History and Heritage|volume = 13|issue = 1|pages = 29|bibcode = 2010JAHH...13...29L|last1 = Lequeux|first1 = James|last2 = Steinberg|first2 = Jean-Louis|last3 = Orchiston|first3 = Wayne|year = 2010}}</ref> A field station was established in 1953, and by the late 1950s several radio instruments were established.<ref name=":2" />
In 1965 the [[Nançay radio telescope]] was established, a design equivalent to an almost 100-metre dish.<ref>{{Cite book|url=https://books.google.com/books?id=9MTbtJJ0vycC&q=Nan%C3%A7ay+Radio+Observatory&pg=PA229|title=High-Sensitivity Radio Astronomy|last1=Davis|first1=R. J.|last2=Jackson|first2=N.|date=1997-01-28|publisher=Cambridge University Press|isbn=978-0-521-57350-4|language=en}}</ref>