Assertion: penumbra | /r/HasProperty | name
Facets:
Source sentences:
text: The umbra, penumbra and antumbra are the names given to three distinct parts of a shadow, created by any light source.
text: Penumbra is the name for the partial shadow of partial eclipse.
text: he umbra, penumbra and antumbra are the names given to the three distinct parts of a shadow which are created when the source of light is not a point source.
text: he umbra, penumbra and antumbra are the names given to the three distinct parts of a shadow which are created when the source of light is not a point source.
text: Umbras and penumbras are the names for two kinds of regions in a shadow that have different amounts of light in them.
text: he umbra, penumbra and antumbra are the names given to the three distinct parts of a shadow which are created when the source of light is not a point source.
text: A PENUMBRA is the partially shaded outer region of the shadow cast by an opaque object and PENUMBRA is the name given to an 850 SF structure designed and constructed by twelve Iowa State University students on the roof of the Des Moines Social Club (DMSC)