 | Carl Sagan - 1978 - 273 pages
Preface: On August 20th and September 5th, 1977, two extraordinary spacecraft called Voyager were launched to the stars. After what promises to be a detailed and thoroughly ... | |
 | Carl Sagan, Ann Druyan - Science - 1986 - 396 pages
Documents the history of Halley's Comet and describes, in two hundred photographs and an informative text, the path of the comet and the astronomical details of its existence | |
 | Keay Davidson, Carl Sagan - 1999 - 540 pages
The biography of one of the most recognized and alluring personalities in twentieth-century science reveals an intellectually astute and emotionally tempestuous man who found ... | |
 | Carl Sagan, Iosif S. Shklovsky - Science - 1985 - 578 pages
Presentación primero de formación astronómica, luego de la naturaleza de la vida y de su posible concurrencia en nuestro sistema solar y, finalmente, un tratamiento de la ... | |
| |