rpg___nut (rpg___nut) wrote in nerds_ahoy,

Random information from the rpgnut

What sort of patterns do the scientists working on the search for extraterrestrial intelligence look for?

SETI scientists do not look for patterns but rather a lack of patterns in a signal. Although this may seem puzzling, it’s really a matter of physics. The first challenge facing any SETI project is detecting a signal against the background of cosmic and terrestrial noise. A signal containing a great deal of information will be spread across the spectrum more than a very simple signal containing little information would be. An "informative" signal will look more like random noise and thus will be harder to detect. So, in SETI, they look for very simple signals, ones that are easy to distinguish from astrophysical sources.
  • Post a new comment


    default userpic
    When you submit the form an invisible reCAPTCHA check will be performed.
    You must follow the Privacy Policy and Google Terms of use.