Volume 25, number 5
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(Planetary Society members only)
6 Dry Earth, Wet Mars: Troy Hudson describes his experiences with a team of scientists, led of Society Board member Chris McKay, on an expedition to Chile's Atacama Desert to learn about Mars exploration.
12 The Pioneer Anomaly: A Deep Space Mystery: Bill Nye explains this complicated conundrum in terms that everyone can understand.
14 Out of This World Books: Just in time for the holiday season, we have selected seven new space-related books to share with you.
3 Members' Dialogue Saving Voyager; human spaceflight
4 We Make it Happen! The end of Cosmos 1 and the beginning of a new chapter
18 World Watch The space shuttle returns to flight; NASA budget; ExoMars
19 Society News Upcoming events, including the 25th Anniversary Awards Dinner
20 Q&A Why does Titan have an atmosphere? Why isn't Io icy?
Fifteen years ago, Society members and passionate space advocates like you helped save the Pluto mission. Now we can do the same for missions to Europa and Mars.
Join over 19,000 people who have completed their petition and consider a donation to support advocacy efforts.