About: http://webisa.webdatacommons.org/341089581

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	Two unknowns are particularly relevant in thinking about stars we observe: brightness and distance.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.co.uk