About: http://webisa.webdatacommons.org/48749536

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	NARRATOR: Mark's analysis reveals that the fragment is mostly rock, and it is shot through with cracks.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org