NASA scientist claims Aliens may have visited the ground

A NASA scientist has theorized intelligent foreign life may be already on earth and believes that the current thinking about extraterrestrial life is far too tight.

Silvano Pi Colombano, who works in NASA's Intelligent Systems Division, believes we could have missed a visit of a foreign life form, claiming that it could be very different from the traditional carbon-based human life that is used to, the Daily Mail reported.

"I simply want to point out the fact that the intelligence that we can find and what may be found to find us (if it has not already been) can not be all produced by carbon based organisms like us," Colombano wrote in a paper First presented in a Decoding Alien Intelligence Workshop in March organized by the search for Extraterrestrial Intelligence.

Foreign life could be far from human technology, Colombano said, and could even have mastered interstellar travel.

"We need to re-visit our most cherished assumptions," he wrote.

"How could change the above occupations about interstellar travel?" He wrote.

"Our typical life-spans would not be a limitation (although even these can be dealt with multi-generational missions or suspended animation), and the size of the Explorer could be that of a very tiny super- Intelligent entity.

"Considering that technological development in our civilization has begun just about 10 years ago and has seen the rise of scientific methods only in the last 500 years, we can transmit that we may have a real problem in predicting technological evolution even for the next A thousand years, let only 6 million times that amount! "

He also warned that radio waves can be out of date.

He called physicists to participate in "Speculative Physics," which was found in our most solid theories, but "with some willingness to stretch possibilities as to the nature of space and energy" and "consider the UFO phenomenon of learning".

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