extinction optical depth
[/ɪkˈstɪŋkʃən ˈɒptɪkəl dɛpθ/]
nounpl: extinction optical depths
profundidade óptica de extinção
1. A dimensionless quantity in physics and astronomy that measures the amount of light absorbed and scattered by particles (such as dust or aerosols) as it travels through a medium; represents the natural logarithm of the ratio of incident to transmitted intensity
The extinction optical depth of the atmosphere increased significantly during the dust storm, reducing visibility.
A profundidade óptica de extinção da atmosfera aumentou significativamente durante a tempestade de poeira, reduzindo a visibilidade.
2. In astrophysics, the measure of interstellar dust's effect on starlight, determining how much light is dimmed before reaching Earth
Astronomers calculated the extinction optical depth to determine the true brightness of distant galaxies.
Astrônomos calcularam a profundidade óptica de extinção para determinar o brilho real de galáxias distantes.
This is specialized scientific terminology used primarily in academic and research contexts within both Brazilian and American scientific communities. It is fundamental in atmospheric science, astronomy, and optical physics. The term is standardized across international scientific publications regardless of region.
Related Idioms & Phrases
high extinction optical depth
low extinction optical depth
extinction optical depth correction
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