RIJEKA/CROATIA - CIRCA OCTOBER 2012: One of the last public appearances of the astrophysician Margherita Hack

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Keywords: astrofisics, astronomy, astrophisics, astrophysics, background, bang, big, black, constellation, cosmos, exposure, galaxy, globe, hack, hole, long, margherita, milky, night, outer, physician, physics, research, science, scientist, sky, space, star, starry, telescope, universe, vector