Volume 29, number 2
Download this issue as a PDF
(Planetary Society members only)
4 We Make it Happen! Who Will Survive? Ten Hardy Organisms Selected for the LIFE Project: Amir Alexander looks at the LIFE Project, testing the idea of panspermia.
10 The Quest to Find the Next Killer Asteroid—Before it Finds Us! Steve Chesley discusses how the Pan-STARRS telescope is helping to protect Earth.
16 Annual Report to Our Members
19 World Watch Europa of Titan: Which will we visit next?
20 Q&A Exoplanet orbits and extraterrestrial coordinate systems.
21 Factinos More moons for Saturn; Pluto's atmosphere
22 Society News Annual audit completed
22 Members' Dialogue Save money and the environment