Assertion: amateur astronomer | /r/CapableOf | contribute to the advance of astronomy
Facets:
value: generally
type: DEGREE
value: significantly
type: DEGREE
Source sentences:
text: Many keen amateur astronomers take part in searches for objects such as supernovae and studies of variable stars, contributing significantly to the advance of astronomy generally.
text: Many keen amateur astronomers take part in searches for objects such as supernovae, comets and studies of variable stars, contributing significantly to the advance of astronomy generally.