absolute magnitude(redirected from Absolute brightness)
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The intrinsic brightness of a celestial body, measured in magnitudes, computed as if viewed from a distance of 10 parsecs, or 32.6 light years.
(Astronomy) the apparent magnitude a given star would have if it were situated at a distance of 10 parsecs (32.6 light years) from the earth
the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years.
A star’s size when seen from a distance of 10 parsecs.
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|Noun||1.||absolute magnitude - (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth|
magnitude - the property of relative size or extent (whether large or small); "they tried to predict the magnitude of the explosion"; "about the magnitude of a small pea"