About: http://webisa.webdatacommons.org/6650278

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 Ancient Observatories: Timeless Knowledge, students will learn how cultures from ancient times to the present have used the Sun and other objects in the sky to mark the passage of time.
http://www.w3.org/ns/prov#wasQuotedFrom	nasa.gov