grand canyon nps 9081411196 Grand Canyon National Park; 23 Annual Star Party 2013 - 0131

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Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
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Keywords: astronomy, canyon, galaxy, grand, instruction, national, natural, nature, nebulae, park, party, planet, program, science, sightseeing, star, storytime, talk, telescope, viewing