About: http://webisa.webdatacommons.org/359825091

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Before then the Universe contained mainly photons and neutrinos, with some electrons, protons and ionized nuclei of light elements such as Helium and Lithium.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com