What if UFOs are real? Where could they be from, and how could they have traveled here? What advanced technology must they possess to execute the fantastic maneuvers they are routinely reported to make? Astronomer William R. Alshuler takes a fascinating look at the reported attributes of UFOs through the lens of known science and physics and explains how they might be doing the weird and incredible things they are known to do. Along the way, he examines the possibilities and problems of traveling faster than light, interdimensionally, and via teleportation, as well as the veracity of UFO reports, insights into potential alien motives, and alien biochemistry

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