Volume 18, number 1
Zooming in on Mars
Download this issue as a PDF
(Planetary Society members only)
4 The Sun Sets on Mars Pathfinder: Jennifer Vaughn celebrates the new trail to the planets blazed by this true pathfinder.
6 The Shiva Hypothesis: Impacts, Mass Extinctions, and the Galaxy: Biologist Michael Rampino combines discoveries from astronomy, planetary science, paleontology, and geology to piece together a possible story of what has driven changes in life on Earth.
12 Ice, Water, and Fire: The Galileo Europa Mission: Leslie Lowes talks about Galileo's next mission, zeroing in on Europa's ice, Jupiter's water, and Io's fire.
3 Members' Dialogue Going metric, getting into schools, and humans in space.
16 Basics of Spaceflight Where are they now?
18 News & Reviews Hot rocks; Mars mania.
19 World Watch Multiple mission updates.
20 Q&A What forms a comet's tail?
22 Society News NASA takes on the Mars balloon.