The astrometric technique looks for planets with careful measurements of a star's
A)brightness.
B)velocity towards or away from us.
C)position in the sky.
D)all of the above

Question

Quizplus · Accepted Answer

The astrometric technique involves measuring the position of a star in the sky to detect any gravitational wobbles caused by an orbiting planet. Therefore, the correct answer is C - position in the sky. The technique does not involve measuring the star's brightness or velocity.

The Astrometric Technique Looks for Planets with Careful Measurements of a Star's