Assertion: telescope's optic | /r/HasProperty | corrected to their intended quality
Facets:
value: by a servicing mission
type: OTHER
value: in 1993
type: TEMPORAL
Source sentences:
text: The optics were corrected to their intended quality by a servicing mission in 1993.
text: The optics were corrected to their intended quality by a servicing mission in 1993.