About: http://webisa.webdatacommons.org/147974778

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 user is able to measure the angle between the horizon and an object in the sky, such as the sun, a star, or a planet.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org