The distances, signal levels, and ambient noise make detection virtually impossible. Even SETI admits
—on their own Web site—that an extraterrestrial civilization could not detect an Earthly signal with equipment similar to ours. Interestingly, you will also find disingenuous contradictory statements
on the same Web page. But these are little more than posturing for continued funding.
i agree. i think both the distance between planets with advanced civilizations and inevitable signal degradation make it unlikely that we may communicate with or pick up an intelligible signal. i also think there are insurmountable practical limitations to space colonization that severely restrict the distance from a home planet a species may successfully colonize. i feel confident that we will be limited to colonizing our own solar system and any expectations for colonization outside our solar system is a pipe dream. christina anne knight
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