About: http://webisa.webdatacommons.org/336550355

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	As a result, the distance between an X-ray telescope's mirrors and the detector must be especially long for the X rays to focus.
http://www.w3.org/ns/prov#wasQuotedFrom	caltech.edu