There is no usage guidance for this tag … yet!
Usage guidance, also known as a tag wiki excerpt, is a short blurb that describes when and why a tag should be used on this site specifically.
Cosmology is "the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and especially with such of its characteristics as space, time, causality, and freedom" 1.
1. cosmology. (n.d.). Dictionary.com Unabridged. Retrieved June 27, 2011, from Dictionary.com website: http://dictionary.reference.com/browse/cosmology
