Word: photographs
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Dates: during 1980-1989
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...Cover: Photograph by Eli Reed -- Magnum
...galaxy was first located by its radio waves, then confirmed visually at the Kitt Peak National Observatory near Tucson, appearing as a faint, fuzzy object. A computer-enhanced photograph shows the galaxy as a brightly colored, amoeba-shaped mass. Next, the scientists determined the distance of the galaxy by taking an optical spectrum that revealed what one team member, Kenneth Chambers of Johns Hopkins University, calls cosmic fingerprints -- emission lines with sharp features characteristic of hydrogen and carbon. In distant galaxies, these lines occur at much redder wavelengths than those emitted by the same elements on earth; this so-called...
...Cover: Photograph by William Coupon
Astronomers discover and photograph a galaxy 15 billion light- years away, the most distant yet seen...
...Cover: Photograph by Eddie Adams