Modelová Otázka ID 3343 - 
Jakým způsobem dochází k přenosu většiny tepla ve volném prostoru (v kosmu)?
Správná odpověď je: A
Volný prostor se vyznačuje velmi nízkou hustotou částic, což prakticky znemožňuje přenos tepla vedením či prouděním. Jediným možným způsobem přenosu tepla ve volném prostoru je tak přenos prostřednictvím vyzařování (radiace), kdy jsou nositelem tepelné energie elektromagnetické vlny.
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