About: http://webisa.webdatacommons.org/52027496

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	The most distinctive characteristic of these colony ships is that they would essentially be closed systems, with no opportunity for bringing in new genes, maintenance or repair materials, or consumables, such as water or breathing gases.
http://www.w3.org/ns/prov#wasQuotedFrom	centauri-dreams.org