About: http://webisa.webdatacommons.org/151415944

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 if that is not challenging enough, the comet's size, shape and other characteristics are not entirely known.
http://www.w3.org/ns/prov#wasQuotedFrom	caltech.edu