Assertion: keck telescope | /r/AtLocation | mauna kea
Facets:
value: in hawaii
type: LOCATION
Source sentences:
text: One of this new generation, the Keck telescope located on Mauna Kea in Hawaii, is currently the largest operating optical/infrared telescope, using a 32 ft (10 m) effective diameter hyperbolic primary mirror constructed from 36 6-ft (1.8-m) hexagonal mirrors.