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A Portrait of Humanity Is Shown in Fig ___. The Contact 1 In Context Lomberg A Portrait of Humanity Jon Lomberg Design Director for NASA’s Voyager Record www.jonlomberg.com email: Lomberg @ aloha.net A portrait of Humanity is shown in Fig. 1 (see human history and before. It was in larger version of the end of this paper). The photograph was taken by canoes like this that the Polynesian people braved the Simon Bell, a photographer from Toronto who has long Pacific, embarking on voyages longer than Columbus’s, been my friend and colleague. It is half of a stereo pair, and requiring far better navigators. two images which, when properly focused together, The call of the sea is today echoed by the call reveal the scene’s third dimension. The photograph was of the stars. Our spacecraft, as flimsy and presumptuous envisioned as part of a message for the Cassini mission as any canoe, embark on that ocean for the distant shores to Saturn and its moon Titan, launched in late 1997. It of our solar system and beyond. would have been an artifact in the tradition of the I had first conceived the idea of an artifact for Voyager Record and the Visions of Mars CD ROM. Cassini in July 1994, following the completion of my Unlike the Voyager Record it was not intended to leave work on Visions of Mars. [Lomberg was Project Director the solar system to be found by the crew of an advanced of this message to the future human inhabitants of Mars, starship. Unlike Visions it was not for humans in the launched aboard Russia’s Mars 96 mission.] NASA was next few centuries. Its fate would have been to remain sending a spacecraft to Saturn and landing a European on the surface of Saturn’s moon Titan, waiting for eons Space Agency probe named Huygens on its moon Titan. of time against the slim chance that life might someday A proposal I wrote to Carl Sagan and Lou Friedman appear on that strange world, or that some other space about this mission read in part: traveler might visit Titan and find it. The image, inscribed on a diamond wafer about the size of a coin, We should consider whether The Titan was intended to show an intelligent alien on Titan lander provides an appropriate opportunity viewer a little about our bodies, about our relationships for an artifact to ride down to the surface with each other, and about our planet. and remain on that satellite. There are two This message was never finished and never reasons why this might be worth launched. Almost the only part of it that was brought to considering: completion was this photograph. Even though it never left the Earth, I think it is instructive in demonstrating 1) Would the MAPEX or some variation of how such an image could be made. Envisioning its it be a useful "LDEF" [Long Duration elements and designing its composition took almost two Exposure Facility-- an experiment left in years. The Portrait of Humanity drew upon previous Earth for several years and recovered by the experience in selecting the many pictures of humans Space Shuttle to test to determine the results recorded on NASA’s Voyager Record. [N.B.: Lomberg on certain materials of long-term exposure was Design Director for NASA’s Voyager Record]. to space] to leave on Titan for subsequent Comparing this image with them may show how their generations of human or robotic explorers? essence was distilled into this single photograph. How should the existing MAPEX be The photograph was taken on a beach in Kona, modified to afford longer lifetime and more on the west coast of the Big Island of Hawaii, which has valuable information in the denser Titanian been my home since 1987. All of the models are atmosphere. residents of this island. None of the people are professional models, but are simply members of the 2) Does it make any sense to include a community. Among their varied countenances you will message? find all the major groups of our species. Their postures a) To Whom? indicate the range of human movement, their ages the Unlike Mars, Titan is unlikely to be human lifespan. A baby nurses at its mother’s breast. settled by humans in the foreseeable future Other children and adults are clustered around the eldest, (though who really knows?), so a strong who is telling a story, the story of the small object in her case cannot be made for a message along the hand, which is the diamond wafer on which the photo is same lines as Visions of Mars. inscribed. In the background a couple walks hand in However, a much more fantastic hand. A sailor prepares to launch a canoe on a voyage, possibility exists for an audience. In the far as so many mariners have done for all the millennia of future, when the Sun enters its Red Giant Contact 2 In Context Lomberg phase, Titan may thaw. The prebiotic enough. Perhaps some more detailed organic compounds now thought to exist information about the size and masses of the there may in fact evolve into biology, and vanished planets (referenced to Jupiter) and that biology just might evolve intelligence. some chemical symbols and diagrams The Red Giant phase of the Sun’s life can showing their rocky composition would be last up to a billion years, perhaps long achievable and decipherable. enough for life forms to evolve and then adapt to a drop in temperature as the Sun Carl and Lou encouraged me to pursue my idea. cools and shrinks. In those far distant days Eventually I proposed my idea to Carolyn Porco, a the three innermost planets may cease to scientist working on the Cassini mission, who presented exist. If intelligence arises on Titan, human the concept to both NASA and the European Space artifacts in the outer Solar System may be Agency. Dr. Tobias Owen, a senior scientist on the their only clue to the existence of the former mission, was very helpful in this regard. We not only children of the Sun. received permission to continue, but was informed that Our message is for the inhabitants of NASA would carry a copy of the diamond on the Titan, 5 or 6 billion years hence. Cassini orbiter, as well as on the Huygens lander, doubling the chances of the artifact someday being b) How would this message be made found. Over the next two years Porco, Simon Bell, and I survivable? fleshed out the idea into a final design and secured most Making this artifact presents greater of the funding for the project. During this period I challenges than any previous "deep-time" benefited from the advice and expertise of colleagues in communication (Voyager Record, WIPP disciplines ranging from materials science to cognitive Marker, Visions of Mars). The time scales psychology, many of whom I had worked with in the are greater and the environment less three previous message projects. Porco assumed the task forgiving than Voyager, and we can make of acting as liaison with the Cassini project and even fewer assumptions about the nature of administering the funds I had raised, through her the discoverers (with Voyager we could at university. Bell began thinking through the intricacies of least presume spaceflight). a complex photograph of a group of humans. We were But I do not think the task is so clearly soon joined in the task of envisioning the details of the impossible as to preclude some viable message by Gregory Benford, as described below. message strategies. There is a precedent for Shortly after beginning work on the project I "messages" surviving for comparable received an appointment as a Regents’ Lecturer at the periods: the 4 billion year old fossils of University of California at Irvine, a post given to non- algae discovered by Schopf.[N.B. This was academics whose presence on campus could make some written two years before the discovery of the contribution to enrich the university community. I was Martian "microfossils"] I propose that our delighted to be able to spend more time with Louis message form be an “artificial fossil", a Narens with whom I had served on the Nuclear Waste message sealed inside some very durable Markers Panel. [Lomberg served as Chair of an mineral, glass or plastic whose external interdisciplinary team charged with designing a warning form implies its artificial nature (possible marker for a U.S. government waste repository]. Narens shapes are a square, a 3:4:5 right triangle, or was a wonderful sounding board on all matters relating the shape of the planet Saturn). This artifact to the cognitive issues of the design. would be designed to last even after the Also at UCI was Gregory Benford, the physicist lander itself had crumbled to dust. and science fiction writer who had served on the WIPP Futures Panel that preceded my Markers Panel. One of c) What would the message say? his stories, “All the Beer on Mars” had also been selected for the Visions of Mars CD ROM. Despite this Perhaps not much. Certainly all the common participation in what Greg called “deep time” problems of message contents faced on messages, we had never met before my sojourn at UCI. Voyager are compounded by the fact that We met shortly after my arrival on campus, and in the we cannot assume high technology on the course of discussing the Mars disk and WIPP project, I part of the discoverers, much less a informed him of the idea for a message to Titan, and knowledge of English or Russian! The basic asked for his thoughts on the idea.
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