President Biden has been in office less than a year but now, in the midst of grappling with the coronavirus and with a wealth of other issues on his plate, he is facing perhaps the biggest question of all: are we alone?
The idea that we may share our universe with alien life is far from new, and there have been regular sightings of UFOs Unidentified Flying Objects for decades.
But these have, until recently, been dismissed as hoaxes, or misinterpretations of natural phenomena.
Despite Hollywood’s enthusiasm for the subject, the U.S. Defense Department has always downplayed the significance of such reports and sightings.
Researchers bring bad news – we are probably alone in the universe
Scientists have always wondered if we are the only intelligent life form in the universe, but no one managed to find an answer. There have been many claims on the subject, in spite of the lack of evidence, and they all produced the Fermi Paradox. Therefore, a team of researchers from Oxford University decided to reassess this paradox, thus finding a sad answer. According to their results, humans are the only intelligent civilization in the observable universe.
What is the Fermi Paradox?
The Fermi Paradox is, basically, a contradiction between some claims and the actual evidence. More precisely, many scientists have claimed there are other life forms in the universe, but no one could support them with evidence. Therefore, this paradox has been an impediment for SETI, or the search for extraterrestrial intelligence.
Video transcript
We humans are obsessed with the idea that we’re not alone, that somewhere out there in the universe, there are other life forms intelligent enough to communicate with us. Or maybe even destroy us. But if there is life out there, why haven’t we heard from them yet? Or have we?
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In 1961, the astronomer Frank Drake devised a calculation that predicted the existence of millions of civilisations out there among the stars. His Drake Equation used some fairly speculative assumptions, but it ignited our curiosity. Are we just one small part of a vast, cosmic zoo?
What is an exoplanet?
April 22, 2021 at 12:07 pm
Exoplanets are planets orbiting distant stars beyond our Solar System, and today astronomers calculate that for every star we can see in the night sky, there is on average at least one exoplanet in orbit around it.
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The concept of exoplanets is hardly new: as far back as 1584, Italian philosopher Giordano Bruno suggested space was filled by “an infinity of worlds of the same kind as our own”. An illustration depicting the variety of exoplanets discovered so far. Credit: NASA/JPL-Caltech/Lizbeth B. De La Torre
Over the past century, numerous authors, TV directors and film producers set their stories on planets beyond our own Solar System.
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