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1. |
Record Nr. |
UNINA9910296444803321 |
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Autore |
Ferrater Mora Jose <1912-1991> |
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Titolo |
Cuestiones españolas / Jose Ferrater Mora |
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Pubbl/distr/stampa |
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El Colegio de México, 1945 |
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[Mexico] : , : El Colegio de Mexico, Centro de Estudios Sociales, , 1945 |
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©1945 |
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ISBN |
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Descrizione fisica |
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1 online resource (74 pages) |
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Collana |
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Jornadas - Centro de Estudios Sociales, Colegio de Mexico ; ; 53 |
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Disciplina |
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Soggetti |
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HISTORY / Africa / General |
ENSAYOS ESPAÑOLES |
ESPAÑA |
Espagne |
Spain kultur- och samhällsliv |
Spain |
Spain Política Discursos, ensayos, conferencias |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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El ritmo lento con que se han escrito las primeras páginas de este ensayo y el atropello relativo con que a partir de cierto momento se redactaron muestra ya que a habido en el intermedio algún acontecimiento productor de tal censura. En realidad, estás págnas contienen en embrión las ideas de varios estudios. Se trata de orientar a los contemporáneos y a caso a los que les sucedan hacia una mayor claridad sobre si mismos, por lo pronto en el terreno de la acción política |
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2. |
Record Nr. |
UNINA9910960019403321 |
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Autore |
Davies John Keith |
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Titolo |
Beyond Pluto : exploring the outer limits of the solar system / / John Davies |
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Pubbl/distr/stampa |
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Cambridge : , : Cambridge University Press, , 2001 |
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ISBN |
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1-107-12239-2 |
1-107-40261-1 |
0-511-30335-1 |
0-511-53609-7 |
0-511-04741-X |
1-280-43020-6 |
0-511-17384-9 |
0-511-15308-2 |
9786610430208 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (xii, 233 pages) : digital, PDF file(s) |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from publisher's bibliographic system (viewed on 05 Oct 2015). |
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Nota di contenuto |
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Prologue -- The edge of the solar system -- The Centaurs -- The mystery of the short-period comets -- Shooting in the dark -- Deeper and deeper -- Sorting out the dynamics -- What are little planets made of? -- Numbers and sizes -- Things that go bump in the dark -- Dust and discs -- Where do we go from here? -- Will we ever get our names right? -- Appendix 1: Dramatis personae -- Appendix 2: Guidelines for minor planet names -- Index. |
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Sommario/riassunto |
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This book was originally published in 2001. In the ten years preceding publication, the known solar system more than doubled in size. For the first time in almost two centuries an entirely new population of planetary objects was found. This 'Kuiper Belt' of minor planets beyond Neptune revolutionised our understanding of the solar system's formation and finally explained the origin of the enigmatic outer planet Pluto. This is the fascinating story of how theoretical physicists decided |
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that there must be a population of unknown bodies beyond Neptune and how a small band of astronomers set out to find them. What they discovered was a family of ancient planetesimals whose orbits and physical properties were far more complicated than anyone expected. We follow the story of this discovery, and see how astronomers, theoretical physicists and one incredibly dedicated amateur observer came together to explore the frozen boundary of the solar system. |
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