The biggest and best tool ever developed to search for signs of extraterrestrial life is coming online in Northern California. No, it's not an interstellar bounty hunter, it's an array of radio dishes in Northern California. The Allen Array, located in an arid valley near the town of Hat Creek started gathering data with 42 radio dishes today. But that's just the beginning; eventually there'll be 350 dishes pointed to the heavens, listening for the faint communications from an extraterrestrial intelligence.
Partly funded by Microsoft co-founder Paul Allen, the Allen Telescope Array released its first test images today. These included a radio map of the nearby Andromeda Galaxy (M31) and the Pinwheel Galaxy (M33).
Although the array was used to capture radio images of galaxies, one of its primary roles will be to search for communications from extraterrestrial civilizations. It works on the idea that many smaller radio telescopes working together are more powerful and cheaper than a single large dish.
