About: astronomical observation

Premodifier: astronomical
Head noun: observation

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

Broader concepts

label	provenance	confidence
time	isap:354496405	0.476482
application	isap:129956150	0.454435
information	isap:129852836	0.386573

Narrower concepts

label	provenance	confidence
measurement	isap:130418235	0.578659
eclipse	isap:66147266	0.384154
summer	isap:451530702	0.315198
moon	isap:417673450	0.286211