About: http://webisa.webdatacommons.org/23329394

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 inner layer or core is composed of dense materials such as nickel and iron.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com