Mars: uncovering the secrets of the red planet
Explore the beauty of the United States' First National Park! Observe the geysers, hot springs and wildlife that span the 14 million acres of wilderness in Yellowstone Country. Each book in the Park Profile series captures all the beauty and variety of the United States' beloved National Parks.
What people are saying - Write a review
Adler aerobraking air bags antenna astronauts astronomer began biology experiments called cameras canals canyons carbon dioxide Carl Sagan channels chemical Chryse Planitia Cook craft designed discovery Earth Earthlike environment evidence exploration of Mars flight fossils geologic going Golombek happened Horowitz images instruments Jet Propulsion Laboratory landing sites launch layers liquid water look magnetic Mariner 9 Mars exploration Mars Global Surveyor Mars Observer Martian atmosphere Martian surface McKay meteorite microbes miles million mission controllers mission to Mars molecules moon Murray NASA NASA's Olympus Mons organic parachute Pathfinder mission Pathfinder's Percival Lowell petal Phobos planetary polar caps possible problem red planet researchers rocket rocks rover scientific scientists Shirley signal soil solar panels solar system Soviet spacecraft surface of Mars temperatures Tharsis things Valles Marineris Vallis Viking landers Viking mission Viking's volcanoes Zubrin