← Back to Training
MCQBeginnerStars & Stellar Evolution

IAAC — 2022 Final Round

Question 25

Compared to the Sun’s surface temperature, sunspots are ...

Sign in to save your progress.

Source

Source: International Astronomy and Astrophysics Competition (IAAC), Final Round 2022. Question wording and answer-choice text are transcribed from the official training PDF; the explanation and metadata are original.