One-way ticket to Mars

How would you like to take a trip to Mars? That’s right, only to Mars. There would be no coming back.

You don’t have to make up your mind right now, because there are no missions planned or even on the horizon. But when the idea of a one-way ticket to Mars was first broached last year in a cosmology journal, the response was rather overwhelming: More than 1,000 people said they’d be eager to go.

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(TRACY A WOODWARD/WASHINGTON POST) - Jessica Sloan with her boyfriend Logan Jones. The painting is by Jessica's father Chris Sloan of the future of space exploration circa 1990. The map of the moon circa 1983 (on ceiling) has always hung over Jessica's bed.

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• One-way ticket to Mars

It was not proposed as a suicide mission, although the chances of a long life on Mars probably aren’t great. Rather, it was pitched as what would potentially be the greatest scientific adventure and exploration of all time.

The idea was floated by two scientists, Paul Davies of Arizona State University and Dirk Schulze-Makuch of the University of Washington, in an article in the Journal of Cosmology. One of the journal’s editors, Ron Becker, said that as the hundreds of e-mails flowed in from prospective Mars explorers, the initial reaction of both researchers and journal staff was to dismiss them as not serious. But that changed as it became apparent that many of the correspondents were quite sincere.“Our initial goal was to find a way to develop a human mission to Mars that could actually take place, that wouldn’t cost so much that it would be impossible to pull off,” Davies said. “And the one-way trip, as we costed it out, would be about one-quarter the price of a there-and-back mission.”

“But the response told us the spirit of exploration remains alive around the globe and that some people understand that the science involved would be extraordinary,” he said. “Just like with earlier explorers, they are prepared to set out knowing they won’t come back, but willing to do it because their time on Mars would be so remarkable.”

The idea, which is clearly not what NASA managers have in mind for Mars exploration, has now led to the release of “A One Way Mission to Mars: Colonizing the Red Planet,” a compilation of articles from the Journal of Cosmology, plus some additions from scientists with the Mars Society and others.

Among the articles in the book are “The Search for Life on Mars,” “Medical Care for a Martian Transit Mission and Extended Stay on the Martian Surface” and “Sex on Mars: Pregnancy, Fetal Development and Sex in Outer Space.” The authors include dozens of NASA researchers, some former astronauts and some scientists and advocates who have pushed for decades (with no success) for a human mission to Mars.

The whole effort, authors say, is geared to sparking public interest in a human mission to Mars, something long discussed by NASA and others but receding into the distance with diminished NASA budgets expected in the years ahead. With that dynamic in mind, the book’s authors say they are looking to the burgeoning private space industry as the ticket to the Red Planet.

Schulze-Makuch said the idea would be to start a colony on Mars, not simply to send astronauts there and abandon them. He imagines them living in the shelter of a lava tube or some habitat they take with them, and imagines that a stream of others would follow. Robotic exploration has shown there is substantial water ice below the Martian surface, so many of the ingredients for survival are present.