Assertion: terrestrial telescope | /r/CapableOf | adjust their mirror segments
Facets:
value: continually
type: TEMPORAL
Source sentences:
text: This is unlike terrestrial telescopes like the Keck which continually adjust their mirror segments using active optics to overcome the effects of gravitational and wind loading, though the Webb telescope will use 126 small motors, and is made possible because of the lack of environmental disturbances of a telescope in space.