Hopscotching with Aliens? – The Catholic Astronomer

There is a new initiative in the area of the Search for Extra-Terrestrial Intelligence (SETI). Although the SETI program has history of listening for deliberate (or accidental) messages from any potential advanced civilizations dating back more than 50 years now, we knowingly transmit messages less than 1% of that time. Indeed some long wavelength transmissions such as TV programs do manage to leak into space, but they are too faint to decipher across interstellar distances. In all that time we have never received a message from aliens. There is also no evidence at all that aliens have ever visited us. Space appears to be empty. Does this mean other intelligent creatures do not exist at all? The struggle to answer that question has motivated a new initiative called the Messaging Extra Terrestrial Intelligence (METI). The aim is to take action to send messages in the direction of known planetary systems. Most people at this point ask, “Is this exciting?, or … Continue reading →

Sorgente: Hopscotching with Aliens? – The Catholic Astronomer


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