Assertion: celestial sphere's star | /r/CapableOf | appear as streak
Facets:
value: due to their apparent motion
type: CAUSE
Source sentences:
text: This daily, or diurnal, motion of the stars is very apparent in a time exposure photograph, because the stars appear as streaks due to their apparent motion, or, if you prefer, due to the rotation of the earth under the objects seen in the sky.