A NASA scientist has claimed that Earth may have been once visited-or is being visited-by extraterrestrials, but we may not have realized it. This, he says, means we need to revise a lot of our base assumptions about what aliens will look like and what they're capable of.
"If we adopt a new set of assumptions about what forms of higher intelligence and technology we might find, some of those phenomena might fit specific hypotheses, and we could start some serious enquiry", Colombano said. The size of the "explorer" might be that of an extremely tiny super-intelligent entity.
We want someone in a white lab coat with the NASA logo embroidered on the breast pocket to take us firmly (yet warmly) by the hands and say 'Hey dude, you might be right about aliens.' This man is here, and his name is Dr Silvano Colombano of NASA's Ames Research Center.
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In comparison, the response of Chinese government was considerably strong and even "hostile", as some foreign reporters put it. But if the transcript the SCMP obtained is genuine, the dialogue helps explain the background of Meng's arrest in Canada .
The man believes that humans' now thinking about extraterrestrial life is far too narrow.
Colombano encourages the scientific community to broaden its horizons when looking for aliens, postulating that the current human lifespan may no longer be a problem in the near future as technological advancements continue to dramatically improve both the quality and length of our lives, affording us a different perception of interstellar travel in the process.
He urged scientists to look past our "assumptions" about alien life, writing: "We need to re-visit even our most cherished assumptions".
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And a quick glance at the past 50 years of computer evolution on earth shows that "our form of life and intelligence may just be a tiny first step in a continuing evolution", Mr Colombano wrote, suggesting that other civilisations might have shed the "carbon machinery" humans rely on for sentience. With this in mind, Colombano argues that if alien civilizations formed on planets that old, they might have reached a level of technological and evolutionary advancement that's nearly unimaginable to us.
Finally (and this is going to set off a firestorm in the UFO community), Colombano has called for scientists to actually delve into the world of UFO sightings and attempt to separate the "signal" from the "noise", as well as open their minds to the possibility that we have been visited by aliens at some point.
He also suggested that NASA not put all of its energy into examining the so-called Golidlocks planets - those considered most similar to Earth - discovered in recent years. "We should consider the UFO phenomenon worthy of study in the context of a system with very low signal to noise ratio, but nevertheless with the possibility of challenging some of our assumptions and pointing to new possibilities for communication and discovery".
Lead singer of The Buzzcocks Pete Shelley dead at 63
His music inspired generations of musicians over a five-decade career with his band and as a solo artist, they said. Lead singer of one of punk's most influential bands Pete Shelley of The Buzzcocks has died.