num_pages: 32
description: Describes the fourth largest known planet in the solar system, examining its size and composition, its surface features, its orbit, and efforts to learn more about this planet.
language: Spanish; Castilian
title: Neptuno (Isaac Asimov Biblioteca Del Universo Del Siglo Xxi/Isaac Asimov's 21st Century Library of the Universe)
titlecomplete: Neptuno (Isaac Asimov Biblioteca Del Universo Del Siglo Xxi/Isaac Asimov's 21st Century Library of the Universe) (Spanish Edition)
genres: Science
ratings_count: 21
series: Isaac Asimov's Library of the Universe, Isaac Asimov's New Library of the Universe
publisher: Gareth Stevens Pub