{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Astrónomos del siglo XX: Carl Sagan, Edwin Hubble, Asaph Hall, Max Wolf, Enrique Gaviola, Edward Emerson Barnard, Owen Gingerich (Spanish Edition)","author_name":"Fuente: Wikipedia","thumbnail_url":"https://www.ebooknetworking.net/books/123/149/big1231492929.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1231492929.html\">Astrónomos del siglo XX: Carl Sagan, Edwin Hubble, Asaph Hall, Max Wolf, Enrique Gaviola, Edward Emerson Barnard, Owen Gingerich (Spanish Edition)</a>","width":400,"height":300}