造父視差 的英文怎麼說

中文拼音 [zàoshìchā]
造父視差 英文
cepheid parallax
  • : Ⅰ動詞1 (做; 製作) make; build; create; produce 2 (假編) cook up; fabricate; concoct 3 [書面語...
  • : 父名詞[書面語]1. (老年人) elderly man 2. (同「甫」,指人的表字) one's courtesy name3. (姓氏) a surname
  • : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. We have to use some other methods to measure the luminosity or equivalently the absolute magnitude of the cepheid variable. since we can readily measure the apparent magnitude of a cepheid variable, to measure the luminosity means measuring the distance. we use some distance measurement methods, for example, parallax, to determine the relation

    要弄清這個關系,我們要知道不同變星的光度和光變周期數據,量度光變周期當然不是問題,但要得知一顆恆星的光度,我們首先要得知它的距離,這時便須藉助好像法等其他量度天體距離的方法。
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