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| wiki:astronomy [2023/11/14 10:52] – Roy Prouty | wiki:astronomy [2023/11/14 12:25] (current) – Roy Prouty |
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| For absolute units, we will use the SI system of units. Radiative energy, radiance, radiant flux, and luminosity as well as their spectral counterparts are all examples of common physical quantities with an absolute scale to them. ((See [[~:magnitude|Magnitude System]] for an idea of how to change between the two scale types.)) | For absolute units, we will use the SI system of units. These --- as well as their spectral counterparts --- constitute the absolute scale of physical quantities we can use to arrange stars and other sources. See [[~:radiative_quantities|radiative quantities]] for more information on these. ((See [[~:magnitude|Magnitude System]] for an idea of how to change between the two scale types.)) |
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