blackbody radiation
[/ˈblækbɑdi ˌreɪdiˈeɪʃən/]
noun
radiação de corpo negro
1. electromagnetic radiation emitted by an idealized object that absorbs all incident radiation and emits radiation based solely on its temperature
The sun's spectrum approximates blackbody radiation at a temperature of about 5,778 Kelvin.
O espectro do sol aproxima-se da radiação de corpo negro a uma temperatura de cerca de 5.778 Kelvin.
2. thermal radiation with a continuous spectrum determined by Planck's law, characteristic of a perfect radiator
Scientists use blackbody radiation to understand the cosmic microwave background.
Os cientistas usam radiação de corpo negro para entender a radiação cósmica de fundo em micro-ondas.
This is a specialized scientific term used in physics, astronomy, and related fields. It is essential in understanding thermal properties of celestial bodies and was crucial in the development of quantum mechanics. The term maintains identical translations across Brazilian Portuguese and European Portuguese scientific communities, reflecting the universal nature of physics nomenclature.
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