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A group of researchers at the Massachusetts Institute of Technology has come up with a revolutionary way to make our presence "known" throughout the universe.
The researchers explain that laser technology can serve as a beacon to attract the attention of extraterrestrial space objects (if any), so that the giant telescope laser can be seen at a distance of up to 20,000 light-years.
In a research article published in the journal Astrophysical, the research team describes the ability of the high-energy laser, ranging from 1 to 2 megawatts, to "penetrate" into the space from the inside out. a telescope developed, to create a detectable beacon.
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The researchers explained that the infrared would be powerful enough to be detected by intelligent objects, able to distinguish them from the sun. It can also be used to transmit short messages in the universe.
"If we can get in touch, we can send a message with a bitrate of up to a few hundred bits per second, which will arrive in a few years," said James Clark, a graduate of the Massachusetts Institute of Technology's Department of Aeronautics and Astronautics. Little ".
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The system can be created using existing technology and tools, which can be developed soon. "It will be an ambitious project, but it's not impossible," says Clark.
"Lasers and telescopes can produce a detectable signal so that the" strange "astronomer can have a global vision of our planet and observe something unusual in its nature."
The laser, produced by a 30 meter telescope, should produce a clearly visible signal from Proxima Centauri b, located about 4 light-years away.
A 1 megawatt laser charge can easily be detected by the Trappist-1 system at 40 light-years.
Although lasers are not visible to the naked eye, the optical beam can disable the spacecraft tools in orbit or even damage the eyes of a person seen directly.
In general, the study developed is open to discussion for future application.
Source: Daily Mail
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