Astronomy. The intrinsic brightness of a heavenly body (as distinct from its apparent brightness, diminished by distance); the rate of emission of…
| 单词 | θ80489 |
| 释义 | the world > matter > light > naturally occurring light > [noun] > starlight > brightness of (1) luminosity1906 Astronomy. The intrinsic brightness of a heavenly body (as distinct from its apparent brightness, diminished by distance); the rate of emission of… |
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