View Full Version : Astronomy Cast Ep. 388: Megastructures

2015-Oct-19, 07:20 PM
This week astronomers announced an unusual transit signal from another star. Although its 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 well talk about the kinds of structures that aliens might want to build. (...)Read […]

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