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They said alien signals would not be blasted out in all directions but narrowly directed in the one-to-10 gigahertz broadband signal range and SETI's broad sweeping search of the galactic plane could leave many days when brief Twitter-like flashes of "here we are" from alien civilisations go undetected. Read more: www.news.com.au...
Scientists now think there are likely to be around 100 million planets in the Milky Way that harbour the right conditions for life. Read more: www.news.com.au...