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Extraterrestrial

Results of new search for alien technosignatures revealed

By T.K. Randall
February 16, 2022 · Comment icon 7 comments



Could there be giant alien structures in our galaxy ? Image Credit: NASA / Rick Guidice
The search involved scouring the heavens with the Murchison Widefield Array telescope.
The question of whether we are alone in the universe remains one of the biggest philosophical conundrums of our time. While it seems almost inconceivable that our civilization is alone in the cosmos, the fact still remains that we have yet to see any evidence to the contrary.

For decades, astronomers have scoured the night sky for evidence of intelligent extraterrestrials, focusing their efforts primarily on picking up alien radio communications.

In more recent years, the search has partially shifted to the hunt for so-called alien technosignatures - evidence of large-scale artificial structures such as Dyson Spheres which could surround entire stars.

The results of the most recent such search were published this week by Chenoa Tremblay from the Commonwealth Scientific and Industrial Research Organisation (CSIRO).
The search used the Murchison Widefield Array (MWA) in Australia to hunt for signs of technosignatures around 144 exoplanetary systems in the direction of the galactic center.

Sadly, however, despite their best efforts, Tremblay and his colleagues were unable to find any signs of aliens.

So is such a search a lost cause ? Not really, because the sheer size of our own galaxy alone means that the likelihood of such structures existing somewhere out in space is relatively high.

Conclusively detecting and verifying one of them, however, will be a major challenge.

Source: Science Alert | Comments (7)


Recent comments on this story
Comment icon #1 Posted by jethrofloyd 10 months ago
Sadly, we are alone in the universe.
Comment icon #2 Posted by fred_mc 10 months ago
I wonder why they are looking towards the center of our galaxy for advanced life. There is a much higher risk of life being destroyed there due to higher density of asteroids, supernovas, black holes etc. Advanced life is more likely in the outskirts of the galaxy.
Comment icon #3 Posted by godnodog 10 months ago
Perhaps because, if not mistaken, the closer you get to the center the more older stars systems you'll find and thus older civilizations. There is also a possibility of harvesting energy from black holes.
Comment icon #4 Posted by jethrofloyd 10 months ago
This sounds more like a phrase taken from a some of Arthur Clarkes sci-fi books.
Comment icon #5 Posted by godnodog 10 months ago
Yeah but its not
Comment icon #6 Posted by the13bats 10 months ago
You mean like whether there is or isnt life in the galaxy both are terrifying. I believe there is life and even intelligent in the vast universe but because of that vastness we will likely never meet them.
Comment icon #7 Posted by AnthonyS 10 months ago
Nice.


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