Assertion: telescope's observation | /r/HasProperty | performed
Facets:
value: from space
type: LOCATION
value: from the upper atmosphere
type: LOCATION
Source sentences:
text: Light at these wavelengths is absorbed by the Earth's atmosphere, so observations at these wavelengths must be performed from the upper atmosphere or from space.
text: The UV light is blocked by the Earth's atmosphere, so observations in the UV can only be performed from space.