← Back to Training
MCQBeginnerSolar System & Planetary Science
USAAAO — 2019 First Round
Question 22
As seen from Mars, what phase will Earth appear to be in when Mars is at quadrature from Earth?
Sign in to save your progress.
Question 22
As seen from Mars, what phase will Earth appear to be in when Mars is at quadrature from Earth?
Sign in to save your progress.