When many people look at the stars, they see a vast, unbound infinity that fills them with a feeling that’s difficult to describe but impossible to forget. That feeling pushes humanity to want to explore the great unknown reaches of space in the hopes of discovering that we aren’t alone in it.
But let’s assume for one moment that extraterrestrial life does exist. Should we really be trying to contact it?
Some view the idea of reaching out to extraterrestrials as dangerous. In fact, Stephen Hawking made a strong point against the idea of making contact by comparing it to the Native Americans’ first encounter with Christopher Columbus and the European explorers, a situation that “didn’t turn out so well” for the former civilization. Hawking went on to note that advanced alien life could be “vastly more powerful and may not see us as any more valuable than we see bacteria.”
While that does sound like it could be a possibility, not everyone agrees with Hawking. In fact, many have equally convincing arguments in support of contact with aliens.
Nothing to Lose
To some, the question is a no-brainer. Why wouldn’t we want to meet other intelligent lifeforms? That’s the thought shared by the people at the SETI (Search for Extra Terrestrial Intelligence) Institute. In fact, SETI is now far more proactive in its search for alien life than ever before.
Initially, the organization focused on passively looking for signals indicating signs of intelligent life, but now it is taking action in the form of METI (Messaging Extra Terrestrial Intelligence). METI International sends greetings to specific locations in space in the hopes of alerting alien astronomers of our existence.
Though Hawking and others worry that our interstellar friendship search will lead to the annihilation or subjugation of our species as a whole, Douglas Vakoch, the president of METI International and a professor in the Department of Clinical Psychology at the California Institute for Integral Studies, strongly disagrees with this assertion. He believes that claims that we should hide our existence as a species are unfounded. After all, we have already leaked nearly 100 years of transmissions from radio and television broadcasts as electromagnetic radiation.
Vakoch goes on to note an inconsistency in Hawking’s reasoning. He asserts that any civilizations able to travel between stars will absolutely have the ability to pick up our “leaked” signals. By that logic, they must already be aware of our existence and are simply waiting for us to make the first move. Vakoch urges us to test the Zoo Hypothesis and the Fermi Paradox through standard peer-review methods, insisting that we target nearby star systems 20 or 30 light-years away with repeat messages to generate a testable hypothesis within a few decades.
NASA estimates that there are 40 billion habitable planets in our galaxy. While he strongly urges caution in making first contact, even Hawking is curious as to whether any of those planets beyond our solar system host life. To that end, he has launched a $100 million initiative to seek out life. If we ever do find extraterrestrial life, either through Hawking’s search, SETI, or any of the number of other projects in the works, we might just want to take a beat before saying “Hello.”
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