Assertion: observational astronomer | /r/CapableOf | work at observatory
Facets:
value: every year
type: TEMPORAL
Source sentences:
text: Observational astronomers spend between 10 and 30 nights per year working at an observatory or getting observations from spacecraft, and the rest of their time analyzing the data they've collected.
text: Observational astronomers will spend a few days or weeks working at an observatory every year watching the parts of the universe they want to study.