About: http://webisa.webdatacommons.org/87140449

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	First, we know that gravity is a force that attracts all physical objects towards each other (but why this happens is largely unknown!).
http://www.w3.org/ns/prov#wasQuotedFrom	moonconnection.com