Assertion: professional astronomer | /r/CapableOf | work on research
Facets:
Source sentences:
text: They spend the majority of their time working on research, although they quite often have other duties such as teaching, building instruments, or aiding in the operation of an observatory.
text: They spend the majority of their time working on research, although they quite often have other duties such as teaching, building instruments, or aiding in the operation of an observatory.