| 释义 |
visual magnitude
visual magnitude n (Astronomy) astronomy the magnitude of a star as determined by visual observation. Compare photoelectric magnitude Translationsvisual magnitude
visual 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. .visual magnitude See magnitude.visual magnitude[′vizh·ə·wəl ′mag·nə‚tüd] (astronomy) A celestial body's magnitude as seen by the eye of the observer. MedicalSeemagnitude |