About: http://webisa.webdatacommons.org/16175648

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	The solar cells preferably are provided with a glass cover slide 59 which is doped with cerium or other material to protect the cells from radiation degradation in space.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com