About: http://webisa.webdatacommons.org/73461979

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	blackboard or chart and chart paper chalk or colored markers scale model of our solar system core - innermost center of a planet terrestrial planets - planets with a mostly metal core, Earth-like
http://www.w3.org/ns/prov#wasQuotedFrom	thirteen.org