Recently, an international team of researchers based in Sweden, India, the US, and the UK have devised a way to search for unimaginably complex extraterrestrial megastructures, known as Dyson spheres.
About Dyson Sphere:
It is a hypothetical engineering project that only highly advanced civilizations could build.
These Dyson spheres would allow a civilization to harness all of a star's energy.
The prospect of such a construction was first proposed by physicist and astronomer Freeman J. Dyson back in 1960.
He envisioned them as a solar-system-sized shellconsisting of a 'swarm of objects'' that could travel on independent orbits around a star, such as our sun.
The idea behind this is that the aliens commandeering this multi-faceted sphere would use it to harness the energy of the star to fulfil the energy needs of its technologically sophisticated people.
Do Dyson spheres exist?
Because of their infrared radiation, Dyson spheres are considered a type of technosignature—a sign of activity that distant astronomers could use to infer the existence of intelligent beings in the universe, according to a NASA report.
A handful of Earth-based researchers have scanned infrared maps of the night sky in hopes of spotting Dyson spheres, but so far, nobody has seen anything out of the ordinary.
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