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The Science Behind Alien Encounters
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Astronomers agree the universe has more stars in it then there are grains of sand on Earth. Today astronomers believe that there may be over eight billion earth-size planets in habitable zones within our own galaxy. They would also agree that the universe may be teeming with life. Given that there are stars billions of years older than our own sun, it is probable that there is intelligent life more advanced than that on Earth. Fifty years ago humans ventured into space for the first time. T...