{ "item_title" : "The Spectra Of Stars Of Secchi's Fourth Type (1908)", "item_author" : [" George Ellery Hale", "Ferdinand Ellerman", "John Adelbert Parkhurst "], "item_description" : "The Spectra Of Stars Of Secchi�������s Fourth Type is a book written by George Ellery Hale in 1908. The book is a detailed study of the spectra of stars of Secchi's fourth type, which refers to stars that emit a spectrum with strong hydrogen lines. Hale, a renowned astronomer, examines the spectra of these stars using spectroscopy and other scientific methods. He analyzes the various spectral lines and identifies the elements present in the stars. The book is a significant contribution to the field of astronomy and provides valuable insights into the nature of stars and their composition. It is written in scientific language and is intended for scholars and researchers in the field of astronomy. Overall, The Spectra Of Stars Of Secchi�������s Fourth Type is a comprehensive study of the spectral characteristics of stars and is a must-read for anyone interested in the field of astronomy.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/12/092/992/112092992X_b.jpg", "price_data" : { "retail_price" : "23.95", "online_price" : "23.95", "our_price" : "23.95", "club_price" : "23.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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