| 单词 | absolute magnitude |
| 释义 | > as lemmasabsolute magnitude absolute magnitude n. Astronomy the magnitude of a star or other celestial object as it would be as observed from a standard distance of ten parsecs; cf. apparent magnitude n. at apparent adj. and n. Compounds. ΘΚΠ the world > the universe > star > star-matter > [noun] > magnitude magnitude1580 mag1840 apparent magnitude1875 absolute magnitude1902 third magnitude1905 1902 J. C. Kapteyn in Publ. Kapteyn Astron. Lab. No. 11. p. 12 We further define the absolute magnitude (M) of a star..as the apparent magnitude which that star would have if it was transferred to a distance from the sun corresponding to a parallax of 0″·1. 1957 Astrophysical Jrnl. 125 429 Salpeter's initial luminosity function..should describe the observed distribution of absolute magnitudes in young galactic clusters. 2003 J. Scalzi Rough Guide to Universe iii. 33 Astronomers gauge how bright a star really is by using absolute magnitude. < as lemmas |
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