Secret weapon for space travelers—a steady diet of TV?

Secret weapon for space travelers—a steady diet of tv?
Deep-space journeys will have plenty of downtime. Credit: studiostoks/Shutterstock.com

No one knows for sure what a long-range space journey will be like for the people on board. Nobody in the history of our species has ever had to deal with the "Earth-out-of-view" phenomenon, for instance. How will it feel to live in close quarters with a small group, with no escape hatch? How will space travelers deal with the prospect of not seeing family or friends for years, or even ever again? How will they occupy themselves for years with nothing much to do?

Researchers do know some things from observing astronauts who've stayed in space stations revolving around Earth for long periods of , people who spent a lot of time shut off from the outside world in isolated regions (such as on polar expeditions) and from experiments with simulated Mars missions.

Because astronauts would have a lot of free time to fill, some researchers have casually suggested sending along a selection of books and films or even bespoke video games. As a social scientist who studies use and its effects on behavior, I believe television could help. Recreating the media environment from before we had permanent, continuous access to anything we want to watch or listen to might be just the thing to help space travelers cope with a loss of a sense of space and time, with loneliness, privacy issues, boredom and more.

Floating rudderless in space and time

In space, the distinction between days of the week, day and night, or morning and noon will be mostly meaningless. Before DVDs and streaming, television helped us structure our time. For some, "lunch" was when a particular game show came on. "Evening" started with the news. "Thursday" was when the next episode of our favorite drama finally arrived. Seasonal programming split the year into chunks (Halloween, Thanksgiving, Christmas). Annual events, such as the Super Bowl, helped us realize yet another year had passed.

A media system that recreates structured access would help define time in space, something unlimited access to a random list of movies would not. Knowing that you were watching something that millions of others were watching at the same time created a particular group feeling – think tuning in to a royal wedding or a presidential funeral. It remains to be seen how today's fracturing of the has changed that. Interestingly, one of the earliest occasions where millions around the world shared a bond in front of their or their neighbor's TV was the first lunar landing.

Out of reach, out of touch

One reason prisoners like to watch television is that it shows them how the world outside is evolving. If we don't want long-range space travelers to return feeling like aliens, they will need to keep up-to-date with what's happening back on Earth.

Television news has an "agenda setting" effect: It tells viewers not only what is going on, but also what matters to people, and public opinion about current events. Entertainment media, from reality shows to game shows to drama, display how fashion, vocabulary and even accents are evolving.

Tuning in to what's going on back home is also a way to counteract the "Earth-out-of-view" phenomenon. The feeling of being on top of what's happening on Earth may help keep the psychological connection to the home planet active and strong.

Secret weapon for space travelers—a steady diet of tv?
Untethered. Credit: NASA, CC BY

Heritage maintenance

Members of a crew are likely to have different cultural backgrounds. The distinctions are biggest if they come from far-flung countries or different language families.

Immigrants, for instance, use the media to integrate more quickly into their new culture. But exposure to home media is also a way to keep a connection to (and derive support from) the culture of origin. Imagine a crew consisting mainly of people from the United States, but with one member from, say, Japan. It will be equally important to facilitate integration and bonding by making media content available that everyone can consume as a group as it is to make specific content available that (in this example) may cater to a person who grew up in Japan.

Balancing solitude and community

As individuals, astronauts will crave autonomy and privacy. Media can help create "alone time." Being immersed in a book, a movie or music (using headphones) helps lock out the environment, as every teenager knows.

At the same time, astronauts as a group will need to work on interconnection to be successful. Even though media are often blamed for dissolving social cohesion, they can also create and reinforce powerful feelings of community and group cohesion. Even in families where everyone has their own smartphone and a TV set, a lot of group viewing occurs because members enjoy being in each other's company. Spectator sports, in particular, can create strong bonds.

Of course, it makes sense that individuals' interests differ among groups, cultures and genders, as well as with personal preferences. A supportive media access program will need careful pretesting long before the journey starts.

Building on how we already use media

Media can do much more. People turn to media for mood management, either when they feel down or want to relax. The distraction caused by media is usually seen as negative for people trying to avoid overeating, but if food is bland and monotonous, that might be a good thing.

There are dangers, too. Media can distract from necessary tasks, affect sleep or lead to addiction-like behaviors. News from Earth or exposure to social media could induce fear and anxiety for loved ones.

There is, finally, a more mundane but perhaps also more fundamental reason to incorporate media into the daily lives of future Mars travelers. They will be drawn from a generation that grew up immersed in and surrounded by media access and content. Recreating a reasonable facsimile of that environment may go a long way toward making astronauts feel a little bit more at home out there.


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Sep 26, 2017
VR gaming worlds will fill every spare moment of the space traveler. Shared worlds will allow people confined to small cramped vessels like submarines, escape the reality of their situation and relax as if they were free to roam. I also expect augmented reality to become the default normal with gamification of learning and work to take over and allow people to integrate their real lives with the virtual ones in a beneficial way.

Sep 26, 2017
Some combination of television, movies, video games, virtual board games and reading will doubtless help pass the time. We are smart to look at all analogs from nuclear submarines to prisons to people living on small islands to old, manned lighthouses. Boredom is not going to be the key problem limiting our exploration of Mars. The much bigger problems are radiation, total productivity of the astronauts on Mars and maximum effectiveness of extremely expensive space assets. There is one factor that will improve our situation for all these problems. Engineers call it delta V, we might simply call it speed. With faster spacecraft, every month we shave off the journey is one less month of getting irradiated in interplanetary space and one more month getting work done on Mars. With enough delta V, we could maintain a permanent (rotating) presence on Mars with a single reusable spacecraft. For more delta V we need to use materials found in space and better propulsion, e.g., nuclear.

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