About: http://webisa.webdatacommons.org/425853681

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	Therefore on Earth the ray of light must also fall (ostensibly due to gravity), otherwise you would know whether you are in a ship or not based on whether light does or does not fall.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com