About: http://webisa.webdatacommons.org/400273587

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	Journal Never underestimate the economics of scale.For reference, here is the Delta-V chart [caltech.edu] that I will be referencing.Now getting on and off of Mars is the most expensive part.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org