← Back to Training
MCQBeginnerGalaxies & Extragalactic Astronomy
USAAAO — 2017 First Round
Question 16
A predicted (A) and observed (B) rotation curve of a typical spiral galaxy is shown below. What component of the galaxy causes this discrepancy?
Sign in to save your progress.
Source
Source: USAAAO 2017 First Round, Question 16. The question depends on the rotation-curve graph printed on page 11.