Optical SETI Map Conferences Map Illustrations Map Photo Galleries Map Observations Map Constructing Map
Search Engines Contents Complete Site Map Tech. Support Map Order Equip. Map OSETI Network

Google
Search WWW Search www.coseti.org Search www.oseti.net Search www.photonstar.org Search www.opticalseti.org

colorbar.gif (4491 bytes)

 

The COSETI Observatory

  • Summary

    • ETIs are far more technologically advanced than humans.
    • If their communications technology is restricted or they restrict it to interstellar electromagnetic communications that are limited to the speed of light, they will use lasers in preference to microwaves.
    • They will be capable of targeting narrow laser beams at selected stars that they known contain life-bearing planets.
    • Since energy will be in ample supply to advanced ETI civilizations, they will transmit strong attention-getting beacon signals, making it easier for us to detect.
    • Pulsed lasers are more easily detectable, reducing the need to guess the “magic optical frequency”.
    • One or more wideband data channels will be transmitted alongside the attention-getting beacon, allowing for the transmission of the “Encylopeadia Galactica”.
    • Microwaves are not capable of transmitting wideband signals over interstellar distances - lasers are.
    • By 2010, there will be a better balance between MSETI and OSETI research efforts.

Previous slide Next slide Back to first slide View graphic version