VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY
Search for extraterrestrial intelligence. Computer illustration depicting the search for extraterres- trial intelligence (SETI) project. Set up by NASA, it involves radio telescopes (such as at lower left) scanning the sky for signals from alien civilisations. An alien's head (far left) can be seen, along with the Earth (lower left), and an alien planet and its moon (upper right). Dolphins may be as intelligent as alien species. Much of SETI's work involves trying to find artificial signals among background radio waves. Although NASA support has ended, some of the project cont- inues at the SETI institute due to private money.
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