Alien 2020

The first object ever to pass through our own solar system has interstellar origins, and it was on this day that telescopes picked up a strange object with a strange oblong shape that moved like a comet and had no obvious tail. The object, which has puzzled astronomers and led some to claim it could be a spaceship sent by intelligent life, has been dubbed O'ahu, meaning "messenger from afar" or "arrival first" in Hawaii. 
A new theory proposed by astronomers at the University of Chicago and Yale University explains the phenomenon as extraterrestrial with interesting scientific implications. A new study uses Bayesian statistics to shed light on the evolution of alien life on our planet. 
From geological records, we know that life on Earth began as soon as the planet's environment was stable enough to sustain it, but not for long.
We also know that the first multicellular organisms that eventually produced today's technological civilizations took much longer to evolve, about 4 billion years. It has long been speculated that members of civilizations billions of years older than ours may have evolved, and that some of them still live on Earth today, perhaps even in the form of humans - such as organisms. But it is also possible, he says, that an advanced civilization sent thousands of tiny canisters of life germs into space that were programmed to incubate and grow when they encountered suitable conditions around a star. 
The hunt for intelligent aliens has been on the fringes of the scientific establishment for decades. Siemion, the lead researcher on Breakthrough Listen, says many researchers view the search for extraterrestrial intelligence as a "weird, crazy kind of thing that's not really astronomy. Speculation about the hereafter arose after the discovery of two interstellar objects on Earth, triggering a flurry of research into the possibility of alien life on Earth and other planets in the solar system. 
Thousands of exoplanets have since been discovered, giving new credence to the idea that life beyond Earth is entirely possible. When Drake made his observations, we didn't have any of these planets or stars in mind when he made them. 
SETI is experiencing a renaissance and in February Breakthrough Lists published the largest inventory of SETI observations ever analyzed by members of the astronomical community. This has triggered a growing field of research into the possibility of finding other intelligent creatures around stars. 
According to the long-established association of the term "unidentified air phenomenon" (UFO), it means an object that is believed to be extraterrestrial. Radio astronomer Frank Drake used a 26-metre telescope to observe two nearby sun-like stars in an alien radio broadcast. The observation campaign, called Project Ozma, was the first of its kind in the United States and the world. 
According to the New York Times and Vice, the footage of the Navy pilot, known as the "Nimitz Video" (or "Nimitz Video"), shows a large, black object in the sky with a red glow on its surface. 
In September, a hoax on the Internet led to 75 people with rumors of aliens coming to the project and storming the base in search of evidence of aliens. Donald Trump was fired up when he said he had been briefed on a "fake news" story about a possible invasion of the United States by aliens. The local sheriff estimated that over 1,500 people attended the festival, underscoring the great public interest in the topic of extraterrestrials and alien life on Earth. 
In 2018, the Irish Aviation Authority investigated a UFO report from an aircraft over the city of Limerick, Ireland, north of Dublin. In 2017, former US President Barack Obama and former Secretary of State Hillary Clinton made headlines when they uttered those words. 
NASA's Curiosity rover, which is currently exploring Mars, could still find evidence that the Red Planet was once home to life, and NASA's Mars Reconnaissance Orbiter (MRO) spacecraft, due to launch into orbit in 2018, could track it down, though scientists believe even larger and more advanced telescopes are needed to achieve this goal. The same time frame was given three years ago by Russian astronomer Andrei Finkelstein. Signals of intelligent life could be discovered in the next 10 to 20 years with the help of the International Space Station (ISS). 
The proximity of the interstellar comet 2I Borisov to our own Sun could also provide clues to the existence of life on other planets in our solar system. 
Borisov is the first known comet to come from a star system other than ours, the researchers say. Measurements revealed it has an unusual abundance of carbon monoxide, mainly because the comet is outside our solar system. 
Given that our sun is 4.6 billion years old, Fraknoi says that a civilization in other parts of the galaxy could have used robotics and artificial intelligence to tap the same energy sources as our solar system to create them. Most astrophysicists believe that life must have originated in the early days of our galaxy about 3.5 to 4 million years ago. 
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