← Back to Training
MCQIntermediateAstrophysical Dynamics & Orbits
IAAC — 2023 Final Round
Question 7
Which one of the labeled points on the ellipse shown below is the aphelion?
Sign in to save your progress.
Source
Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2023. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.