In 1967 British astronomer Jocelyn Bell Burnell was left stunned by mysterious pulsing signals she detected coming from outside the solar system. For months she suggested the signals could be of an extraterrestrial intelligent origin, but they were later proven to be rapidly spinning stars known as pulsars. However, a new series of mysterious signals, known as Fast Radio Bursts (FRBs), has again got astronomers scratching their heads and wondering if, maybe, we’re picking up alien messages. FRBs are radio emissions that appear temporarily and randomly, making them not only hard to find, but also hard to study. The mystery stems from the fact it is not known what could produce such a short and sharp burst. This has led some to speculate they could be anything from stars colliding to artificially created messages. via Mail Online.
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