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Have you ever wondered if there is intelligent life beyond Earth In a vast and uncharted solar system such as ours the existence of extraterrestrial life has always been a very real possibility After all our galaxy the Milky Way is over 100000 light years across and is only one of many galaxies that make up the entire solar system The most rational mind can at least admit that there is a high degree of uncertainty when it comes to knowing what lies beyond For those of us who refuse to believe that we are not alone the search for evidence of life in the galaxy has always had a fascinating appeal Unfortunately to date no hard scientific evidence has been presented which can positively identify the existence of extraterrestrial life That being said it is still very interesting to think about ways in which one day we may actually be able to prove the existence of external friends in this galaxy Recently an interesting hypothesis has proposed that it may be possible to develop a radio communications system powerful enough to scan the sky for aliens It sounds crazy enough but evidence and theory at least support the possibility Searching the entire sky for extraterrestrial life emitting a radio signal presents a number of difficulties For starters we do not know what frequency another life form would be using to communicate so the search would require a myriad of resources Is has been hypothesized that alien life form is supported by similar elements to our own such as hydrogen and hydroxyl compounds therefore passive monitoring of these frequencies has already begun but to no avail These frequencies hover between wavelengths of 18cm to 21cm Wavelengths of this frequency come from the quietest part of the spectrum which reduces interference from byproducts of the galaxy and makes it more likely that current technology could pick up these signals Unfortunately the search for life that
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