A group of scientists sent a radio signal into space and have listed the stars that will likely receive the message within the next century. The scientists predict that a response will be heard by 2029.
The details of their communication calculations were published in the journal Publications of the Astronomical Society of the Pacific.
The scientists were able to calculate, in light years, how long the messages would take to be received and how long a reply would take to arrive.
This work “gives Search for Extraterrestrial Intelligence researchers a more narrow group of stars to focus on,” says lead author Reilly Derrick, a University of California, Los Angeles engineering student.
Messages to space
As radio signals travel through space, they spread and become weaker. The detection of the signals becomes harder and less likely. To combat this, scientists have sent more powerful broadcasts using NASA’s Deep Space Network.
Numerous attempts have been made with the hope to breach the communication gap with alien life and finally prove the existence of life on other planets. One of these technologies, the Pioneer 10, was able to send a signal to a dead star estimated to be 27 light-years away in 2002. The message will likely be received in 2029.
In 1980 and 1983, messages were sent to two stars, and the stars received those communications in 2007. If a return message was sent, it will be received in the year 2030.
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