Plan to broadcast messages to alien worlds leaves cosmologists worrying Prison Planet.com Posted on February 13, 2015 Posted in Aggregated No Comments Tagged with World News London Independent | Astronomers consider sending radio signals to newly found habitable planets. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email