by Carl Sagan, Ann Druyan · Planeta · tapa dura · ISBN 9788408000129
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«El cometa» is the popular science essay by Carl Sagan and Ann Druyan, published by Planeta in hardcover (398 pages, in Spanish).
A popular science work that examines comets from superstition and myth to current astronomical knowledge. It reviews Halley's comet, the anatomy and composition of these bodies (ice, dust and gas), their possible origin at the dawn of the solar system, associated catastrophes and the space missions dedicated to exploring them.
1992 edition in two volumes with color illustrations; includes appendices, bibliography and indexes of names and comets.
Recommended for readers of popular science and those interested in the history of astronomy.
Carl Edward Sagan was an American astronomer, planetary scientist and science communicator. Initially an assistant professor at Harvard, Sagan later moved to Cornell, where he was the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for Planetary Studies. He played an active role in the Mariner, Viking and Voyager programs. He published more than 600 scientific papers and articles and several popular science books, starting with The Cosmic Connection. He won the Pulitzer Prize for General Nonfiction for The Dragons of Eden.
