Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 353
than a spectrum like the oneadjacent, in which are repeatedcoincidences of the dark (nega-tive) iron bands (above andbelow) with the intermediatebright lines of the spectrumof the star itself? Only a yearintervened before the spectraof stars had been examined inpietro angelo secchi (1818-1878)… … The Fixed Stars 295 Stretching across the sky in clear nights is seen aband or zone of luminous matter, which was a great Type I is chiefly characterized by the breadth and intensityof dark hydrogen lines; also a decided faintness or entire lackof metallic lines (see next page). Stars of this type…
Astronomy
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