| 释义 |
absolute magnitude
absolute magnituden. 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.absolute magnitude n (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 ab′solute mag′nitude
n. the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years. [1900–05] absolute magnitudeA star’s size when seen from a distance of 10 parsecs.Thesaurus| 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 earthmagnitude - 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"astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole |
Translationsabsolute magnitude
absolute magnitude: see magnitudemagnitude,
in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars
..... Click the link for more information. .absolute magnitude See magnitude.absolute magnitude[′ab·sə‚lüt ′mag·nə·tüd] (astrophysics) A measure of the brightness of a star equal to the magnitude the star would have at a distance of 10 parsecs from the observer. The stellar magnitude any meteor would have if placed in the observer's zenith at a height of 100 kilometers. (mathematics) The absolute value of a number or quantity. MedicalSeemagnitudeabsolute magnitude
Words related to absolute magnitudenoun (astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32Related Words- magnitude
- astronomy
- uranology
|