The figure below is an illustration of what astronomical relation?
A) Wien's law
B) the Tully-Fisher relation
C) Hubble's law
D) the inverse-square law

Name: The figure below is an illustration of what astronomical relation? A) Wien's law B) the Tully-Fisher relation C) Hubble's law D) the inverse-square law
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Question

The figure below is an illustration of what astronomical relation? 
A) Wien's law 
B) the Tully-Fisher relation 
C) Hubble's law 
D) the inverse-square law

Quizplus · Accepted Answer

The figure shows a linear relationship between the distance of a galaxy (x-axis) and its recession velocity (y-axis), which is a depiction of Hubble's law.

The Figure Below Is an Illustration of What Astronomical Relation