Intellectual Olympiad in Astrophysics and Space Technologies - 2026 ongoing

Subject: Astrophysics and Space Technologies
Level: IV
Category: student
Quiz questions: in English
Example question: Two stars have identical surface temperatures, but the radius of Star A is twice that of Star B. According to the Stefan–Boltzmann law, how does Star A’s total luminosity compare with Star B’s? It is twice as large, It is four times as large, It is eight times as large, It is sixteen times as large