Answer: parallax

AnswerCrossword Clue
PARALLAXApparent change in position due to perspective
PARALLAXApparent movement, in astronomy
PARALLAX"The ... View" (1974 Beatty thriller)
PARALLAXApparent displacement due to observer movement
PARALLAXTerm in astronomy.
PARALLAX"The ... View," 1974 Beatty film
PARALLAXTwo deficiencies?
PARALLAXDifference in apparent direction, in astronomy
PARALLAXCelestial phenomenon
parallaxThe effect whereby the position or direction of an object appears to differ when viewed from different positions, e.g., through the viewfinder and the lens of a camera
parallaxthe apparent displacement of an observed object due to a change in the position of the observer.
parallaxan apparent optical displacement of an object
parallaxThe angular amount of this in a particular case, esp. that of a star viewed from different points in the earth's orbit