Our second report from the recent Tennessee Valley Interstellar Workshop is the work of Cassidy Cobbs and Michel Lamontagne, with an emphasis on the worldship track. Cassidy has an MS from Vanderbilt, where she studied ecology and evolution. She currently works at...
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SETI: Knowing Where to Look
Running a site like Centauri Dreams means adapting and reconfiguring on a daily basis. The best laid plans and all that… When I wrote recently about the SETI efforts at KIC 8462852, my plan had been to follow up that discussion with a broader SETI issue --...
SETI: Power Beaming in Context
Thinking that we can understand the motivations of an extraterrestrial civilization seems like a fool's gambit, but we have to try. The reason is obvious: We have exactly one technological society to work with -- we're all we have -- and if we want to look for SETI...
SETI: Upcoming Talk of Interest
Given the interest the unusual star KIC 8462852 has generated here and elsewhere, I want to be sure those of you in California are aware of an upcoming talk that touches on the matter, as well as broader SETI issues. Titled "The Breakthrough Initiative - Listen and...
Bradley Schaefer: A Response to Michael Hippke
The question of a gradual dimming of KIC 8462852 continues to make waves, the most recent response being Michael Hippke's preprint on the arXiv site, discussed in the post immediately below. Bradley Schaefer (Lousiana State University), who published his work on the...
A Thoroughly Disrupted Solar System
A quick follow-up on our most recent discussion of KIC 8462852 (and thanks to all for the continuing high level of discussion in the comments) because today’s topic touches on a bit of the same ground. Centauri Dreams regular Harry Ray was first to notice a paper from...
Why SETI Keeps Looking
How do you feel about a universe that shows no signs of intelligent life? Let’s suppose that we pursue various forms of SETI for the next century or two and at the end of that time, find no evidence whatsoever for extraterrestrial civilizations. Would scientists of...
‘Oumuamua, SETI and the Media
One of the more important things about the interstellar object called 'Oumuamua is the nature of the debate it has engendered. Harvard astronomer Avi Loeb's paper examining it as a possible technology has provoked comment throughout the scientific community, as...