About: http://webisa.webdatacommons.org/346161915

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	British-born American astronomer Cecilia Payne-Gaposchkin discovered that stars are made mainly of hydrogen and helium and established that stars could be classified according to their temperatures.
http://www.w3.org/ns/prov#wasQuotedFrom	britannica.com