Излучение абсолютно черного тела. Солнце - абсолютно черное тело
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![Космос: находки среди пустоты [Космическое пространство]](https://sun9-75.userapi.com/I7q8hr70mSgK11QkDWYNyJZjTyRB1T79it4mOw/m-m04tKnesU.jpg)
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