Tag Archives | alien structures


Ep. 506: It’s not Aliens, Unless it’s Aliens

There was no live video for this one, so here’s the audio! The Full Raw version isn’t much different this week – it just lacks the music and intro! Did you hear that astronomers from Harvard think that the interstellar asteroid Oumuamua was actually an alien solar sail? Is it aliens? Of course it’s not […]

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Freeman Dyson theorized that eventually, a civilization would be able to build a megastructure around its star to capture all its energy. Credit: SentientDevelopments.com

Ep 388: Megastructures

This week astronomers announced an unusual transit signal from another star. Although it’s most likely a natural phenomenon, one remote possibility is that this is some kind of alien megastructure. Freeman Dyson and others have considered this idea for decades. Today we’ll talk about the kinds of structures that aliens might want to build. Download […]

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