Sentence Examples

  • This subject is treated in the article Photometry, Celestial.
  • The Harvard Photometry of 4260 lucid stars was issued by Professor E.
  • Si chsischen Gesellschaft der Wissenschaften, two works on celestial photometry (Grundziige einer allgemeinen Photometrie des Himmels, Berlin, 1861, 4to, and Photometrische .Untersuchungen, Leipzig, 1865, 8vo), and a curious book, Ueber die Natur der Cometen (Leipzig, 1872, 3rd ed.
  • He was elected a fellow of the Royal Society in 1840, and in 1892 was awarded one of the royal medals for his work on photometry and stellar parallax.
  • He found the light of the sun to be 300 times more intense than that of the moon, and thus made some of the earliest measurements in photometry.