Assertion: radio wave | /r/HasProperty | detected
Facets:
value: from outer space
type: LOCATION
Source sentences:
text: This was the first time that radio waves were detected from outer space.
text: Radio waves are detected using electrical circuits that receive these electromagnetic signals in an antenna, and then the radio frequencies are modulated through capacitors before emerging as sound in a speaker.
text: As a virtual LOS i.e., as a straight line through visually obstructing material, thus leaving sufficient transmission for radio waves to be detected