Assertion: astronomer | /r/CapableOf | observe object
Facets:
value: across all wavelengths
type: OTHER
value: in the night sky
type: LOCATION
value: to try to determine their composition
type: PURPOSE
Source sentences:
text: Astronomers observe the objects in the night sky to try to determine their composition and learn more about the origin and structure of the universe.
text: Astronomers observe these objects across all wavelengths and apply the information to create physical models of the stars.