This hypothesis, which has been advanced by some physicists and philosophers, such as Michael Duff, David Deutsch, and John Gribbin, is based on the assumption that time travel is possible and that some advanced civilization in the distant future has mastered the technology to manipulate space-time and travel to the past.
According to this scenario, UFOs are not alien spacecrafts, but rather probes or vehicles sent by our future selves to communicate with us or to observe our history.
There are several possible motivations for why our
temporal descendants would want to visit us or send us messages through
UFOs. One possibility is that they are trying to warn us about some
impending catastrophe or danger that threatens our existence or the
future of humanity....<<<Read More>>>....