Volume 19, number 4
Spiraling in to Io
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(Planetary Society members only)
4 Opinion: Why is the Day 24 Hours, and When Will the Millennium Begin? Owen Gingerich of the Harvard-Smithsonian Center for Astrophysics is one of Earth's preeminent historians of science. This question of when to mark the end of the current millennium is one of the most contentious we've heard at The Planetary Society. So, here it is, our unofficial final word on the subject.
8 In the Beginning: Since The Planetary Society began nearly 20 years ago, Jim Burke has been our resident "Moon man." Here he reflects on Earth and Moon's shared story, and the history of humanity's attempts to understand their origins, in this essay that shares his passion with our members.
12 Galileo: On to Io and Cassini: Galileo's saga must be the most complex in the history of our explorations of other worlds. Now, a bit doddery but still functional, Galileo undertakes a rendezvous with Cassini. Galileo imaging team lead Michael Belton reports on this next task for the mission.
3 Member's Dialogue Mir, solar system ices, Pluto, and a letter from Arthur C. Clarke.
18 News & Reviews The hype over ALH84001.
19 World Watch Possible effects of NASA budget cuts on the Deep Space Network and NEO observations.
20 Q&A What happened to the Mars-sized body that collided with Earth to form the Moon?
22 Society News SETI@home and Red Rover Goes to Mars start up.