About: solar sail

Premodifier: solar
Head noun: sail

Same concepts
http://dbpedia.org/resource/Solar_sail

Broader concepts

label	provenance	confidence
type of propulsion	isap:171371345	0.470403
form of spacecraft propulsion	isap:171771345	0.459603
propulsion concept	isap:5274948	0.347732
surface	isap:8518137	0.334740
technology	isap:191642934	0.296113

Narrower concepts

label	provenance	confidence