About: http://webisa.webdatacommons.org/327824200

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	Pairing the planet's mass and the diameter yields its density, which helps astronomers pin down whether a planet is, for instance, made mostly of gas or of rock.
http://www.w3.org/ns/prov#wasQuotedFrom	boingboing.net