About: http://webisa.webdatacommons.org/367500425

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	The density of the four inner planets (Mercury, Venus, Earth, and Mars) are similar, and about four times that of Jupiter, Saturn, Uranus, and Neptune, which are similar to each other.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com