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LIFE Project

Can life naturally transfer from planet to planet?  The Planetary Society is trying to find out!

The Planetary Society developed a two-phase LIFE – Living Interplanetary Flight Experiment – to investigate the transpermia hypothesis, the idea that a living organism might survive a journey through space to Earth inside a meteorite.

The project is designed to test of one aspect of the "transpermia" hypothesis –- the possibility that life can travel from planet to planet inside rocks blasted off one planetary surface by impact, to land on another planetary surface. For example, if a rock on Earth contained life and were blasted off Earth, could it survive until it reached Mars? Or, if life existed on Mars, could it have been transported to Earth? The Planetary Society experiment will test the ability of life to survive the interplanetary voyage by flying organisms for several years through interplanetary space in a simulated meteoroid.

Phase One: Shuttle LIFE

Over 14 days, Shuttle LIFE tested the effects of low-Earth orbit spaceflight on five diverse species of microorganisms packed in tiny, heat-sealed, Delrin plastic sample tubes. Once the microbes have been tested -- back here on Earth -- they were planned to  provide a baseline comparison and a “dress rehearsal” for our upcoming Phobos LIFE experiment that was set to go to Mars's moon Phobos and back.

The eight-legged water bears made the trip aboard Shuttle LIFE with 4 other bacterium  packed into six sample tubes, which were contained in two wells inside a shuttle experiment payload.

We just had the chance to test the survivability of our hardy organisms during space travel by flying LIFE on Space Shuttle flight STS-134, which returned on June 1, 2011. The very last flight of Shuttle Endeavour!

Success…Our micro-passengers are back on Earth now awaiting the results of our testing!

Phobos LIFE

In an ambitious initiative, the Society attempted to send a collection of living organisms on a three-year trip to the Martian moon Phobos and back to Earth. The experiment -- called LIFE (Living Interplanetary Flight Experiment) – was planned to help scientists better understand the nature of life, its robustness, and its ability -- or not -- to move between planets.

In January 2012, the LIFE biomodule was launched aboard Russia’s Phobos Sample Return mission.  Unfortunately, Phobos-Grunt, carrying our Phobos LIFE biomodule, fell into the Pacific Ocean 17:45 UT today.

We applaud our members, supporters,  and the scientists and engineers involved with this mission. Rest assured that, with your continued support, The Planetary Society will press forward and seek answers to those deep questions: Where did we come from, and are we alone?

The Phobos LIFE Plan

The Russian space agency planned to launch the Phobos Sample Return mission nicknamed "Phobos-Grunt" to the Martian moon Phobos. The spacecraft would land on Phobos, collect dirt and rocks from its surface, and then head back home. As it swooped back by Earth, the spacecraft would release a capsule containing all the samples gathered on Phobos, to land on Earth.

Attached to the capsule for the entire 34 months of the journey would be a small, flat cylinder containing a collection of microbes carefully selected and sealed before launch. In its flight, the cylinder would be, in effect, a simulated space rock, subject to the same extreme conditions as a Martian meteoroid traveling to Earth. It is The Planetary Society's LIFE experiment.

Carefully packed and sealed with multiple seals, the LIFE samples would spend a full 34 months in space, before returning to Earth. Here it would be opened and its contents examined by waiting scientists.

Would some of the microbes survive the brutal space environment for this long? We will have to wait for the next sample return mission and see.

Project Updates

Phobos-Grunt and Yinghuo-1 poised for liftoff

Emily Lakdawalla • November 08, 2011

Russia's Phobos-Grunt sample return spacecraft, carrying the Planetary Society's Phobos LIFE experiment, plus China's Yinghuo-1 Mars minisatellite, are poised for launch at Baikonur! The launch window opens in less than six hours, at 20:16 UTC.

Phobos-Grunt and Yinghuo-1 now encapsulated in their fairing (lots of photos)

Emily Lakdawalla • November 04, 2011

About a week after Curiosity passed through the same milestone, Phobos-Grunt and Yinghuo-1 -- still slated for a November 8 launch -- were encapsulated in their payload fairing in preparation for being stacked on their rocket. And, of course, our little Phobos LIFE capsule is inside there too!

Phobos-Grunt unpacked! With Yinghuo-1 and LIFE!

Emily Lakdawalla • October 18, 2011 • 1

I know I just posted about Phobos-Grunt on Friday, but there are lots of new pictures from Baikonur Cosmodrome (Russia's main launch facility in Kazakhstan) showing Phobos-Grunt being removed from its shipping crate and tipped upright in preparation for its launch in early November.

Phobos LIFE Ready to Launch

Bruce Betts • September 01, 2011

Years in the making, our Phobos LIFE (Living Interplanetary Flight Experiment) is nearing launch this November. Phobos LIFE will send millions of passengers on a 34-month journey to Mars’ moon Phobos and back.

Launch Window Approaching!

Bruce Betts • August 21, 2011

We are super excited that the Planetary Society’s Phobos LIFE (Living Interplanetary Flight Experiment) is about ready to launch to Mars’ moon Phobos and back. We have been working for years preparing this unique test of the effects of long term exposure to deep space on a wide variety of life.

Phobos-Grunt and Yinghuo-1 have completed thermal vacuum testing

Emily Lakdawalla • July 30, 2011

The Russian Phobos sample return mission, Phobos-Grunt, has passed a key milestone in its preparation for launch: it successfully completed its thermal vacuum testing in June.

Shuttle LIFE Organisms Return from Space

Bruce Betts • June 09, 2011

In the middle of the night on June 1, 2011, millions of passengers returned safely to Earth as part of the great conclusion to space shuttle Endeavour's last flight, STS-134. Many of those millions of passengers were part of the Planetary Society's Shuttle LIFE experiment. Five different kinds of creatures from all three domains of life are part of Shuttle LIFE.

Welcome Home Shuttle LIFE and Space Shuttle Endeavour

Susan Lendroth • June 01, 2011

The Planetary Society welcomes home space shuttle Endeavour and the microscopic passengers it carried in Shuttle LIFE an experiment designed to test aspects of the transpermia hypothesis -- the ability of microbial life to survive an interplanetary voyage.

We did it -- Shuttle LIFE launches!

Bill Nye • May 16, 2011

Today at 8:56 a.m. EDT, Space Shuttle Endeavour launched on its final mission, and we are part of this historic moment!

Shuttle LIFE is go for launch with Endeavour!

Bruce Betts • April 29, 2011

The Planetary Society's Shuttle LIFE experiment is now go for launch on Endeavour's STS-134 mission. I came down to Florida for the loading of our tiny sample tubes into the CREST-1 (Commercial Reusable Experiments for Science & Technology) payload block.

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