El cel immens:
[youtube]http://youtu.be/rENyyRwxpHo[/youtube]

Podeu mirar:
http://www.slate.com/blogs/bad_astronomy/2014/09/04/laniakea_our_local_supercluster.html

http://esmateria.com/2014/09/03/vivimos-en-un-rincon-del-universo-llamado-laniakea-con-100-000-billones-de-soles/
—
JP