Astronomers have been discussing a plan to beam regular radio signals into space in the hope of attracting the attention of intelligent alien life.

Among their many discoveries are numerous planets and two intelligent alien races.

In order to provide subject matter to which audiences can relate, the large majority of intelligent alien races presented in films have an anthropomorphic nature, possessing human emotions and motivations.

He honours the humanities as the soul of our species and the feature of our lives that would most interest intelligent aliens — they would already know the science.

Until that origin question could be answered, outside the astronomy community the signal would still be frequently referred to as the best evidence was of intelligent aliens.