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Descarga Libro National Geographic 1952 02 Febrero Cbz de Revista

6 Nov , 2016    40    0      0 Votos

National Geographic 1952 02 Febrero Cbz de Revista

In 1949, the National Geographic Society and the California Institute of Technology launched a four- year project at Palomar Observatory to photographically map the heavens. With the project at its halfway point, the head astronomer tells of the great num, bers of nebulae, comets, stars, and asteroids already recorded on the new sky charts, and how the Survey is opening the way to a greater understanding of the structure and evolution of our universe.

Descarga Libro National Geographic 1952 02 Febrero Cbz de Revista

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