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Photometry (astronomy)

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"The only true wisdom is in knowing you know nothing."
- Socrates



SUMMARY
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Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation. When photometry is performed over broad wavelength bands of radiation, where not only the amount of radiation but also its spectral distribution is measured, the term spectrophotometry is used.
The word is composed of the Greek affixes photo- ("light") and -metry ("measure").

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