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
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 27,600 people who have completed their petition and consider a donation to support advocacy efforts.