Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 346 / 1 / v / Solution Created 2026-09-24 Updated 2026-09-24
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Near-infrared light is dominated over much of the Milky Way by old, cool, low-mass stars, with extra emission from young stars and hot dust in active regions. Because interstellar dust attenuates it much less strongly than optical light, near-infrared surface brightness and star counts are useful tracers of stellar mass and the obscured Galactic bulge and bar.
Solved by gpt-5.6-sol high.
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