Editing Cardassian (section)

==In cosmology==

[[File:Star Trek (8413848603).jpg|thumb|right|A [[cosplay]]er dressed as a Cardassian in a Starfleet uniform]]

In [[cosmology]], the concept "Cardassian expansion" is a term used for a modification to the [[Friedmann equations]]. It is named after the fictional ''Star Trek'' race by the original authors, [[Katherine Freese]] and Matthew Lewis.<ref>{{Cite journal | last1 = Freese | first1 = K. | last2 = Lewis | first2 = M. | doi = 10.1016/S0370-2693(02)02122-6 | title = Cardassian expansion: A model in which the universe is flat, matter dominated, and accelerating | journal = Physics Letters B | volume = 540 | pages = 1–8 | year = 2002 | issue = 1–2 | arxiv = astro-ph/0201229 | bibcode = 2002PhLB..540....1F | s2cid = 118980118 }}</ref> In their 2002 paper (which has been cited more than 330 times<ref>{{Cite journal|publisher=[[Harvard University]]|url=http://adsabs.harvard.edu/cgi-bin/nph-ref_query?bibcode=2002PhLB..540....1F&amp;refs=CITATIONS&amp;db_key=AST |archive-url=https://archive.today/20120701154702/http://adsabs.harvard.edu/cgi-bin/nph-ref_query?bibcode=2002PhLB..540....1F&amp;refs=CITATIONS&amp;db_key=AST |url-status=dead |archive-date=July 1, 2012 |title=Citations for 2002PhLB..540....1F from the ADS Databases|bibcode = 2002PhLB..540....1F| last1=Freese | first1=Katherine | last2=Lewis | first2=Matthew | journal=Physics Letters B | year=2002 | volume=540 | issue=1–2 | page=1 | doi=10.1016/S0370-2693(02)02122-6 | arxiv=astro-ph/0201229 | s2cid=118980118 }} </ref>), a footnote on the "Cardassian term" states: "<sup>2</sup> The name Cardassian refers to a humanoid race in ''Star Trek'' whose goal is to take over the universe, i.e., accelerated expansion. This race looks foreign to us and yet is made entirely of matter."