Assertion: astronomer | /r/CapableOf | use radio
Facets:
value: on earth
type: LOCATION
Source sentences:
text: They use radio and optical telescopes on earth, as well as space-based telescopes and other tools to make observations and collect data.
text: Using ground-based equipment like radio and optical telescopes as well as space-based equipment, astronomers make observations and collect data on celestial bodies and processes.