Volume 17, number 4
The Allure of Io
Download this issue as a PDF
(Planetary Society members only)
4 Io and I: John Spencer talks about his personal relationship with Jupiter's volcanic moon.
9 First Reconnaissance: Exploring Other Solar Systems: Paul Butler tells the story of one of the most successful exoplanet search programs now under way.
14 Tribute to Clyde Tombaugh: David H. Levy recounts some of the highlights of Clyde's productive life and shares a few memories.
15 Growing the Planetary Society: New Advisory Council Formed: Louis Friedman introduces and shares his hopes for the new council.
3 Members' Dialogue Carl Sagan remembered; save Pioneer.
16 Basics of Spaceflight The Deep Space Network.
18 News & Reviews A review of David Grinspoon's Venus Revealed.
19 World Watch Funding approval for the Galileo Europa mission (GEM).
20 Q&A How do we know Comet Hale-Bopp passed Earth before?
22 Society News New president and vice president elected; annual audit completed.