What unit would best describe the linear diameter of a planetary body?
A) arc seconds
B) arc minutes
C) degrees
D) kilometers
E) radians

Question

Quizplus · Accepted Answer

The linear diameter of a planetary body, which refers to its size measured directly across, is best described in units of length such as kilometers. Arc seconds, arc minutes, degrees, and radians are units of angular measurement, not linear measurement.

What Unit Would Best Describe the Linear Diameter of a Planetary