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The Planetary Report
Visions of Exploration On the Cover: This mosaic of Mars' north polar region is composed of wide-angle camera daily global mapping images taken by Mars Global Surveyor in October 2006. The polar cap is visible at center right, and two annular (somewhat circular) clouds are visible at upper left. Annular clouds are common in midnorthern summer in Mars' north polar region, and they may be from eddy currents in the lower atmosphere. Although most of Mars is dry, its polar regions are rich in water ice. Phoenix is on its way to study the structure, composition, and chemistry of soil and ice samples near the Red Planet's north pole.
NASA/JPL/Malin Space Science Systems

Volume 28, number 2
March/April 2008

Visions of Exploration

Download this issue as a PDF
(Planetary Society members only)

Features

4 Opinion—On the Road to Mars: Three Stepping Stones and a Stumbling Block: Robert Farquhar looks at how best to get humans to Mars.

10 A Message to the Future: Visions of MarsPeter Hollingsworth Smith describes the Phoenix mission and its goals, and hopes of reaching into the future.

14 Annual Report to Our Members: Dan Geraci looks back at the year in numbers and milestones passed.

Departments

17 World Watch NASA's 2009 budget; Europe's plans for the Moon and Mars

18 We Make it Happen! Winners of the Society's Asteroid Tagging Competition

15 Q&A How much of Pluto will we see with New Horizons?

15 Factinos Rhea's rings and exoplanets

22 Society News Remembering Arthur C. Clarke

22 Member's Dialogue Carl Sagan stamps; human space exploration

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