Universe Today sat down with NASA technologist, engineer, and author Les Johnson as he talked about some of the highlights from the 8th Interstellar Symposium.
Right. Yeah, there were two people at the conference who talked about that. One was Claudio, and the other was Victor Toth, who is actually a part of Slava’s [research]. He gave a talk in the afternoon, “Look before you leap: using the solar gravitational lens to explore exoplanets.” That’s where he really delved into the whole exoplanet imaging kind of thing.
The reason why we may not be picking anything up on SETI is because these different civilizations are all talking to each other from the gravity lens point. And there’s no leakage. And in order to join the network, you have to get one of them to recognize that you’re there and beam something to your surrogate Solar Gravity Lens region.
We had a few points of disagreement, notably between most of us and Philip Lubin. Phil had just done a recent cost analysis, just in energy costs, of how much it would cost to send an interstellar ship. And that caused quite a discussion. Because I personally, I think it’s an irrelevant number because by the time we do this, what is the energy price going to be? And what is money going to be? So there are some definite differences.
we’re ready.” I think AJ and Erica might take issue with us being socioeconomically, sociologically, and psychologically ready. But that’s an important question, “Are we as a culture ready to do this?” And I think there’s some legitimate debate to be had here.
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