<http://webisa.webdatacommons.org/prov/85193727>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/209600652> .
<http://webisa.webdatacommons.org/209600652>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/209600652>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<thespacereview.com> .
<http://webisa.webdatacommons.org/209600652>	<http://www.w3.org/ns/prov#value>	"Ed Euler of Lockheed Martin Astronautics, the company that has built several Mars missions, including MCO and MPL, agrees that mass is an issue." .