Assertion: telescope's component | /r/HasProperty | 1a large radio antenna
Facets:
Source sentences:
text: Radio telescopes vary widely, but they all have two basic components: (1) a large radio antenna and (2) a sensitive radiometer, or radio receiver.
text: Radio telescopes vary widely, but they all have two basic components: (1) a large radio antenna and (2) a radiometer or radio receiver.