What is astrometry?
A)measuring distances to stars
B)searching for planets around stars
C)measuring the positions of stars on the sky
D)measuring the velocities of stars via the Doppler effect
E)using metric units for distance (e.g.meters rather than light years)

Question

Quizplus · Accepted Answer

Astrometry refers to the precise measurement and mapping of positions and motions of celestial bodies, particularly stars, on the celestial sphere. It involves using accurate observational techniques and instruments to track the apparent motion of stars to determine their coordinates in the sky.

What Is Astrometry