About: http://webisa.webdatacommons.org/9367985

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	In combination with the data on the radius of the planet from Kepler, scientists can find the density of the planet???and that reveals whether the planet is made mostly of iron or rock, or of water, or of hydrogen and helium gas.
http://www.w3.org/ns/prov#wasQuotedFrom	sfsite.com