Books Tell You Why, Inc.

A Fine first Edition/First Printing in a like dust-jacket that bears mild scuffwear.

Neptune is the eighth and farthest from the sun of the eight classical planets. It is named for the Roman god of the sea. Neptune is about the size of Earth and has about the same mass. It is about two-thirds the distance from the sun as Earth and has about the same average temperature. Neptune orbits the sun about 30 times as far from the sun as Earth does. Neptune has the most extreme temperature variation of any planet in the solar system.; 8vo; 242 pages.