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A zoom on the Hubble Space Telescope photograph showing a huge bubble shaped like a balloon blown into space by a massive, hot star. Astronomers have formed the iconic telescope on this colorful feature called the Bubble Nebula or NGC 7635. Credits: NASA, ESA and the Hubble Heritage Team (STScI / AURA), F. Summers, G. Bacon, Z. Levay and L. Frattare (3D team of Viz, STScI)
If E.T. is there, NASA thinks that it has a new way of finding it – tracking the time it spends on its iPhone.
NASA seeks to know if we are alone in the universe, using new tools to try to find "technosignatures" emanating from advanced civilizations.
The government space agency is holding a workshop in Houston to use "technosignatures", signs or signals that could be evidence of a technologically advanced civilization.
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"Technosignatures are signs or signals that, if observed, would allow us to infer the existence of technological life elsewhere in the universe," NASA said on its website. "The best known technologies are radio signals, but there are many others that have not yet been fully explored."
In the search for extraterrestrials, "technosignatures" have generally been limited to communication signals, but any kind of proof, such as "radio or laser emissions, signs of massive structures or atmosphere full of pollutants" could be useful . .
NASA has several tools to search for exoplanets, including its exoplanet survey satellite, called TESS.
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Earlier this month, NASA released the first images of TESS. The first cloud of Magellan and the bright star R Doradus, among several other planets and stars, could accommodate an extraterrestrial life.
Fast radio bursts (FRB) have recently been discovered from far space, although there is no explanation for what causes them.
More recently, thanks to an artificial intelligence program developed for Extraterrestrial Intelligence (SETI), it has been possible to detect unusual and mysterious radio waves at 3 billion light years.
"Complex life can evolve into cognitive systems that can use technology in an observable way," NASA wrote in its 2015 Astrobiology Strategy Paper. "No one knows the probability, but we know it does not." is not bad. "
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However, the physicist Enrico Fermi, with his Fermi paradox, states that "if another form of intelligent life was actually available, we would have already met." . "
On the other hand, in 1961, astronomer Frank Drake created a formula known as the Drake equation, according to which there are about 10,000 potentially intelligent civilizations in the galaxy.
For its part, NASA says it will continue to look for signs of extraterrestrial life, even though they have not found anything yet.
"Although we have not yet found any signs of extraterrestrial life, NASA is expanding the exploration of the solar system and beyond to help humanity find out if we are alone in the world. universe, "NASA said on its website.
Follow Chris Ciaccia on Twitter @Chris_Ciaccia
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