About: http://webisa.webdatacommons.org/99291515

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	Because water has a much lower density than rock, astronomers figured that the ???most plausible scenario is a planet made mostly of water, with a significant atmosphere,??? says Charbonneau.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com