DailyDirt: To Seek Out New Life And New Civilizations...

from the urls-we-dig-up dept

The search for extraterrestrial life hasn't yielded much evidence that there's anyone else out there. We could be looking in the wrong places or not looking with the right instruments to detect faint signals -- or maybe we're actually alone. But as they say with the lottery, you can't win if you don't play, so we won't find any aliens if we don't continue looking. (Assuming that aliens aren't already on their way to come and get us.) After you've finished checking out those links, if you have some spare change (or more) and would like to support Techdirt, take a look at our Daily Deals for cool gadgets and other awesome stuff.
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Filed Under: aliens, astrobiology, dyson sphere, extraterrestrial life, fermi paradox, goldilocks zone, seti


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  1. icon
    John Fenderson (profile), 22 Apr 2015 @ 8:33am

    Re: Another Maybe

    It's also possible that interstellar travel is simply impossible.

    "It is also possible that radio waves expire after a while"

    They do, in a sense. The power of an electromagnetic wave decreases as a function of the square of the distance from the source. In other words, it falls off really fast, and the farther away it is from the source, the faster it falls off. For any radio signal, there is a distance at which that power falls to undetectable levels no matter how sensitive your detector is.

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