About: http://webisa.webdatacommons.org/89198968

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	If we assume that the sun, planets and other heavenly bodies are point masses in calculating their orbital dynamics, our model is obviously false to fact.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu