<http://webisa.webdatacommons.org/400570045>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<astromart.com> .
<http://webisa.webdatacommons.org/400570045>	<http://www.w3.org/ns/prov#value>	"You can tell the offset of the secondary by observing the shadow cast on a surface such as a piece of paper." .
<http://webisa.webdatacommons.org/prov/227984767>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/400570045> .
<http://webisa.webdatacommons.org/400570045>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .