Assertion: telescope's image | /r/HasProperty | steady airy patterns
Facets:
value: to break up into speckle patterns
type: PURPOSE
value: in the absence of atmospheric turbulence
type: TEMPORAL
Source sentences:
text: It causes the images of point sources (such as stars), which in the absence of atmospheric turbulence would be steady Airy patterns produced by diffraction, to break up into speckle patterns, which change very rapidly with time (the resulting speckled images can be processed using speckle imaging)