About: http://webisa.webdatacommons.org/134731523

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	There were some prominent philosophers that did think the earth was flat (possibly including Aristotle), but as early as 250BC the earth was not only shown to be spherical but its diameter was calculated with great accuracy.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com