Stellar Parallax Is the

Multiple Choice

Stellar parallax is the

A) inferred change in the distance to a star as its light is dimmed by passing through an interstellar cloud.
B) apparent shift seen in the position of a nearby star against more distant stars as Earth orbits the Sun.
C) difference between the apparent and absolute magnitudes of a star.
D) circular or elliptical motion of a star in a binary system as the two stars orbit each other.