english: The observatory had just acquired a new book, written by a Russian cosmologist by the name of Joseph Shklovsky, and then expanded and translated and edited by a little-known Cornell astronomer by the name of Carl Sagan.
non_english: Observatórium získalo novú knihu od ruského kozmológa Josifa Šklovského, ktorú neskôr rozšíril, preložil a redigoval takmer neznámy astronóm Carl Sagan z univerzity Cornell.