About: background radiation

Premodifier: background
Head noun: radiation

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

Broader concepts

label	provenance	confidence
big bang	isap:152324854	0.774737
exogenous source	isap:135874993	0.732764
thing	isap:14834770	0.719479
evidence	isap:413140767	0.581959
condition	isap:353160049	0.544414
radiation	isap:352612614	0.540515
effect	isap:133179996	0.451009
source	isap:135874973	0.439996
space	isap:12373961	0.345279
carcinogen	isap:43154136	0.339142

Narrower concepts

label	provenance	confidence
cosmic ray	isap:262007515	0.801586
solar radiation	isap:352612660	0.702930
sun	isap:264330998	0.374308
time	isap:286195636	0.274811
radiation	isap:352612664	0.264900
universe	isap:185403629	0.232930