Volume 18, number 5
Europa: An Ocean Within
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(Planetary Society members only)
4 Opinion: Striving Outward: Jim Burke speaks on why members of The Planetary Society vigorously support an endeavor as difficult and expensive as planetary science.
6 Backyard Bolides Finding a Buried Impact Crater: Geologist Wylie Poag explains how he happened to find a major impact crater buried beneath Chesapeake Bay.
9 Cosmic Dust: Evidence of a Comet Shower: Geochemist Ken Farley discusses how he and colleagues found evidence that a comet shower battered Earth 35 million years ago.
12 Europa: Layers of Mystery: Charlene Anderson showcases some of Galileo's fantastic images of Jupiter's fascinating icy moon.
3 Members' Dialogue The loss of Australia's NEO program; the search for life.
19 World Watch The Planetary Society's presence on planetary missions; progress on Mars Express.
20 Q&A How much water was on Mars?
22 News & Reviews Publisher's pressure; instant results.
23 Society News Red Rover, Red Rover hops on an asteroid!