In the context of the cosmic distance ladder,to what does calibration refer?
A) measuring Hubble's constant
B) tuning one distance determination method to another
C) measuring the distance to Cepheid variable stars
D) defining units

Question

Quizplus · Accepted Answer

Calibration refers to the process of tuning one distance determination method to another by comparing the distances obtained using different methods for the same objects. This is necessary for establishing the accuracy and reliability of distance measurements using different techniques, and for building a consistent and self-consistent cosmic distance ladder.

In the Context of the Cosmic Distance Ladder,to What Does