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Could aliens be hibernating through the worst time in the Universe?

As the Fermi paradox states, the Universe is a vast, unknowable space, filled with trillions upon trillions of potentially habitable planets, so… where are all the aliens? In the latest attempt to solve this conundrum, a trio of researchers have suggested that advanced alien civilisations have gone into self-imposed ‘hibernation’ – waiting for a future where the Universe is far colder than it is now, which would facilitate the kind of processing power we could only ever dream about. A new paper written by Oxford neuroscientist and AI expert, Anders Sandberg and Stuart Armstrong, together with Milan Ćirković from the Astronomical Observatory of Belgrade, Serbia, argues that civilisations far more advanced than us could have conceivably explored a big chunk of the Universe already, and are now waiting for a better time to be alive. “Right now, the cosmic background radiation makes nearly everything in the Universe hotter than 3 Kelvin, but as the Universe expands, this background temperature will decline exponentially,” write Sandberg and Ćirković on their blog. “So if you want to do as much information processing as possible with the energy you have, it makes sense to wait. It becomes exponentially better.” Now, let’s just say up front that there’s no way to actually ‘prove’ any of this, and the researchers are obviously having a bit of fun with it – even they admit that the most likely reason we can’t find aliens is that they don’t exist or are too far away. But they say this train of thought not only helps us rule out many possibilities related to the Fermi paradox – it also gives us important insight into our own chances and potential future in the Universe.
“If you don’t check your less favoured hypotheses, you are not doing science,” Sandberg told George Dvorsky at Gizmodo.
So with that out of the way, let’s get knee-deep in the so-called Aestivation Hypothesis (aestivation meaning prolonged torpor or hibernation).

Read More: ScienceAlert

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