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Following is a transcript of the video.
Humans just tried to contact intelligent aliens. There's a fiery debate in the scientific community. Should we actively try to contact aliens?
Pros - Contact - Aliens
Pros: We could make first contact with intelligent aliens.
Cons: We could contact hostile aliens who come and destroy Earth.
Collaboration - Musicians - Scientists - Fuel - Fire
Now, a collaboration between musicians and scientists just added fuel to the fire. They sent a radio message to potential aliens on a nearby exoplanet. Is this a good idea? We asked three scientists what they thought.
Brian Greene, Co-founder of the World Science Festival and theoretical physicist at Columbia:
Shouting - Heavens - Community - Life - Anything
I think we should be all shouting and cheering to the heavens. Let's join the community of cosmic life if there's anything out there.
Jill Tarter, Former Director of the Center for SETI Research:
Idea - Transmissions - Result - Consensus - Discussion
I think it's probably not the best idea. I think that transmissions should only happen as the result of the consensus, and after there's been a discussion about whether we should. But not only that, if we decide to, then who should speak for Earth and what should they say?
Caleb Scharf, author of "The Zoomable Universe" and Director of the Columbia Astrobiology Center at Columbia:
Edge - Suppose - Message - Message - Information
There is a slightly reckless edge to this because you have to think about, suppose we received a message like this. The message itself may be friendly, full of information, request for communication but it would be incredibly disruptive for us to receive this as a species, as a civilization. The truth is we don't know whether is this very risky. We don't know.
What are the odds of actually making contact?
Jill - Tarter - Minutes - Receiver - Time
Jill Tarter: It does no good as they have done to transmit for 33 minutes and not again. Because it means that the receiver is going to have to be looking at you, at us, at exactly the right time...
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