About: http://webisa.webdatacommons.org/362796642

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	However, the best time to launch, in terms of how much energy is required for the trip, is a few months before that happens (compare the launch dates above with the Mars opposition dates below).
http://www.w3.org/ns/prov#wasQuotedFrom	mydarksky.org