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| [PHOTO: Lwp Kommunikáció/Flickr/CC BY 2.0] |
In recent days various attempts have been made of beaming messages from Earth to aliens in the hope of the ultimate callback.
And experts are even considering Wikipedia to help them understand human life as the Daily Star has earlier reported.
Professor Stephen Hawking has criticised the move – and said he fears what could happen if aliens knew that people were living on Earth.
"If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans, " Hawking said.
The idea, which is the brainchild of the Search for Extraterrestrial Intelligence Institute in California, involves powerful radio telescopes which will send the data to nearby stars and planets.
Seth Shostak of Seti, who was also the science advisor on the film 'Battleship' said that they were planning to pick star systems within 20 light years, of which there were several hundred, so they were near enough to answer in a reasonable time.
However, US scientist and NASA consultant David Brin has warned that contact with aliens would "transform human destiny", and that the it should only be conducted if the entire world is onboard.
Stephen William Hawking is an English theoretical physicist, cosmologist, author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge.