Mars free download online

Title: Mars
Author(s): Linda T. Elkins-Tanton
Pages: 206
Publisher: Facts On File, Inc.
Publication date: 2006
Language: English
Format: PDF
ISBN-10: 0816051984
ISBN-13:
Description: Mars discusses the fundamental facts concerning this mysterious planet, including its mass, size, and atmosphere, as well as the various missions that have helped planetary scientists document its geological history. This volume also describes Mars' seasons, including their surface effects on the planet and how they have changed over time, as well as what is known and inferred about the composition and structure of the interior of Mars.

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