Canvis

* [http://www.nasa.gov/topics/universe/index.html Exploring the Universe] {{en}} a Nasa.gov

* [http://www.nasa.gov/topics/universe/index.html Exploring the Universe] {{en}} a Nasa.gov

* [http://www.zideo.nl/index.php?option=com_podfeed&zideo=6c4947596d673d3d&playzideo=6c3461566f56593d The Size Of The Universe, understand the size of the universe by starting with humans and going up by powers of ten ] {{en}}

* [http://www.zideo.nl/index.php?option=com_podfeed&zideo=6c4947596d673d3d&playzideo=6c3461566f56593d The Size Of The Universe, understand the size of the universe by starting with humans and going up by powers of ten ] {{en}}

 

[[Categoria:Astronomia]]

[[Categoria:Astronomia]]

[[Categoria:Espai]]

[[Categoria:Espai]]

[[Categoria:Cosmologia]]

[[Categoria:Cosmologia]]