Editing Shape of the universe (section)

== External links ==
* [http://icosmos.co.uk Geometry of the Universe] at icosmos.co.uk
* {{Cite journal |last1=Levin |first1=Janna |last2=Scannapieco |first2=Evan |last3=Silk |first3=Joseph |name-list-style=amp |date=September 1998 |title=The topology of the universe: the biggest manifold of them all |journal=[[Classical and Quantum Gravity]] |volume=15 |issue=9 |pages=2689–2697 |arxiv=gr-qc/9803026 |bibcode=1998CQGra..15.2689L |doi=10.1088/0264-9381/15/9/015 |issn=0264-9381 |s2cid=119080782}}
* {{Cite journal |last1=Lachièze-Rey |first1=Marc |last2=Luminet |first2=Jean-Pierre |author-link2=Jean-Pierre Luminet |date=March 1995 |title=Cosmic topology |journal=[[Physics Reports]] |language=en |volume=254 |issue=3 |pages=135–214 |arxiv=gr-qc/9605010 |bibcode=1995PhR...254..135L |doi=10.1016/0370-1573(94)00085-H |s2cid=119500217}}
* {{Cite journal |last=Luminet |first=Jean-Pierre |date=15 January 2016 |title=The Status of Cosmic Topology after Planck Data |journal=[[Universe (journal)|Universe]] |language=en |volume=2 |issue=1 |pages=1 |arxiv=1601.03884 |bibcode=2016Univ....2....1L |doi=10.3390/universe2010001 |issn=2218-1997 |s2cid=7331164 |doi-access=free}}
* {{cite web|first=Sean|last=Markey|date=8 October 2003|url=http://news.nationalgeographic.com/news/2003/10/1008_031008_finiteuniverse.html|title=Universe is Finite, 'Soccer Ball'-Shaped, Study Hints|url-status=dead|archive-url=https://web.archive.org/web/20031010171053/http://news.nationalgeographic.com/news/2003/10/1008_031008_finiteuniverse.html|archive-date=10 October 2003|website=[[National Geographic News]]}} Possible wrap-around dodecahedral shape of the universe
* Classification of [http://star-www.st-and.ac.uk/~kdh1/cos/cos.html possible universes] in the [[Lambda-CDM]] model.
* {{Cite journal |last=Fagundes |first=Helio V. |date=December 2002 |title=Exploring the global topology of the universe |journal=[[Brazilian Journal of Physics]] |volume=32 |issue=4 |pages=891–894 |arxiv=gr-qc/0112078 |bibcode=2002BrJPh..32..891F |doi=10.1590/S0103-97332002000500012 |issn=0103-9733 |s2cid=119495347}}
* {{cite web|last=Grime|first=James|title={{pi}}<sub>39</sub> (Pi and the size of the Universe)|url=http://www.numberphile.com/videos/pi_universe.html|work=Numberphile|publisher=[[Brady Haran]]|access-date=2013-04-07|archive-date=2015-04-30|archive-url=https://web.archive.org/web/20150430002504/http://www.numberphile.com/videos/pi_universe.html|url-status=dead}}
* [http://blogs.scientificamerican.com/degrees-of-freedom/2011/07/25/what-do-you-mean-the-universe-is-flat-part-i What do you mean the universe is flat?] Scientific American Blog explanation of a flat universe and the curved spacetime in the universe.

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[[Category:Differential geometry]]
[[Category:General relativity]]
[[Category:Physical cosmological concepts]]
[[Category:Unsolved problems in astronomy]]
[[Category:Big Bang]]