Assertion: asteroid belt's object | /r/HasProperty | pinpricks of light
Facets:
value: until the age of space travel
type: TEMPORAL
value: in their shapes
type: LOCATION
value: merely
type: DEGREE
value: in the largest telescopes
type: LOCATION
value: in terrain
type: LOCATION
Source sentences:
text: Until the age of space travel, objects in the asteroid belt were merely pinpricks of light in even the largest telescopes and their shapes and terrain remained a mystery.