About: http://webisa.webdatacommons.org/406153150

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 weakest of these interactions is gravity, the force which is familiar to us as both the reason why objects fall towards the earth's surface and why the earth and the other planets move in orbits around the sun.
http://www.w3.org/ns/prov#wasQuotedFrom	umn.edu