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The Planetary Report • November/December 2004

Cosmos 1: Our Solar Sail

On the Cover: Cosmos 1 has set sail around Earth, its Mylar blades reflecting the planet that launched it. In the background, the Milky Way beckons.
Rick Sternbach, Space Model Systems

Features

7 Cosmos 1: The Journey Begins! Amir Alexander and Louis Friedman share the mission details and chronicle the development of the spacecraft as we gear up for our March 2005 launch.

12 Our First Look Inside a Comet: Deep ImpactLucy McFadden and Mike A'Hearn detail how this unusual mission came to be and why they're hoping to learn about the comet (and our early solar system) by examining the fresh impact crater left behind.

Departments

3 Members' Dialogue The humans vs. robotic space exploration debate continues

4 We Make it Happen! Hunting for impact craters on Earth

18 World Watch SpaceShipOne, Society political advocacy efforts, and the NASA budget

20 Q&A Is Titan's surface well-lit enough for Huygens to see anything? How are rocks on Mars broken apart?

22 Society News Newest members of the advisory council; Planetary Radio expands

astronaut on Phobos
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