For decades, the search for extraterrestrial life has captivated both scientists and the public.
This has promoted years of research and the creation of many new organizations – including a new elite UFO hunting group run by Nasa.
The US space agency announced in June 2022 that it plans to conduct a study on UFOs – now referred to as unidentified aerial phenomena or UAP.
Nasa defines UAPs as observations of events in the sky that "cannot be identified as aircraft or known natural phenomena – from a scientific perspective."
"I am interested in searching the sky for alien, physical objects which may one day tell us whether we are alone in the galaxy," Villarroel writes.
"Consider this: within our own Milky Way galaxy, there are 40 billion Earth-sized, potentially habitable planets," she adds.
She poses the question, if mankind can send probes to another star, why couldn’t an extraterrestrial civilization send a probe to our Solar System?
To answer this, Villarroel lays out a few ways scientists could analyze whether there are extraterrestrial probes near Earth.
"Analyzing materials from potentially crashed UFOs could give irrefutable proof," she writes.
"This would require state-of-the-art techniques to determine if these wrecks exhibit exotic or distinctly different characteristics of manufacture."
In the projects she leads, the scientist says her team searches for artificial non-human objects by looking for short light flashes in the night sky.
She explains that short flashes typically occur when a flat, reflective surface reflects sunlight – but they could also result from an artificial object emitting its own internal light.
Ya think?
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