About: http://webisa.webdatacommons.org/87914843

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	History astronomers generally believe that there are other planets outside our solar system, but the extent and nature of there general is a mystery.
http://www.w3.org/ns/prov#wasQuotedFrom	123helpme.com