Canvis

* [http://www.hep.upenn.edu/~max/multiverse1.html Parallel Universes] {{en}} per Max Tegmark

* [http://www.hep.upenn.edu/~max/multiverse1.html Parallel Universes] {{en}} per Max Tegmark

* [http://cosmology.lbl.gov/talks/Ho_07.pdf The Dark Side and the Bright Side of the Universe] {{en}} Princeton University, Shirley Ho

* [http://cosmology.lbl.gov/talks/Ho_07.pdf The Dark Side and the Bright Side of the Universe] {{en}} Princeton University, Shirley Ho

* [http://www.atlasoftheuniverse.com/ Richard Powell: ''An Atlas of the Universe''] {{ca}} {{en}} {{es}} {{fr}} {{pl}} {{pt}} {{tr}} – Images at various scales, with explanations

* [http://www.atlasoftheuniverse.com/ Richard Powell: ''An Atlas of the Universe''] {{ca}} {{en}} {{es}} – Images at various scales, with explanations

* [http://www.npr.org/templates/story/story.php?storyId=1142346 Multiple Big Bangs] {{en}}

* [http://www.npr.org/templates/story/story.php?storyId=1142346 Multiple Big Bangs] {{en}}

* [http://www.exploreuniverse.com/ic/ Universe – Space Information Centre] {{en}}

* [http://www.exploreuniverse.com/ic/ Universe – Space Information Centre] {{en}}