About: http://webisa.webdatacommons.org/351999845

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	However, astronomers may spend only a few weeks each year making observations with optical telescopes, radio telescopes, and other instruments.
http://www.w3.org/ns/prov#wasQuotedFrom	nukejob.net