Assertion: telescope's instrument | /r/CapableOf | leak more light than larger ones
Facets:
value: unavoidably
type: MANNER
Source sentences:
text: Any sharp edge (such as the edge of an occulting disk or optical aperture) causes Fresnel diffraction of incoming light around the edge, which means that the smaller instruments that one would want on a satellite unavoidably leak more light than larger ones would.