About: http://webisa.webdatacommons.org/37848833

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	From the star's Doppler shift, the team determined that Kepler 78b's mass is 1.7 times that of Earth -- a measurement that suggests the planet is made mostly of rock and iron.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org