A Brief History Of Time & Vigilance!
Nature – the British weekly scientific journal that features peer-reviewed research from a variety of academic disciplines, mainly in science and technology – has claimed that scientists have identified 29 planets from where the aliens may well have been observing the Earth for the last 5,000 years, or more. As Modern Human Civilisation did not come into existence at that period of time, it is quite obvious that their civilisations are far more modern than us. Perhaps, the aliens are well aware of the fact that human beings have been communicating through radio signals for the last 100 years! They might have also noticed the telecommunication system in the modern world. According to scientists, all these 29 planets are in the Milky Way Galaxy, which includes our Solar System, with the name describing the galaxy’s appearance from the Earth. It is basically a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye. The research paper has been published in the June 23 (2021) edition of Nature.
As mentioned already, scientists have identified 29 planets, from where the aliens seemingly have been observing the Earth for the past 5,000 years or more, while the age of the Milky Way Galaxy is 13.51 billion years. Scientists are of the opinion that far better and modern civilisations exist on those planets. They have come to this conclusion after analysing data collected by the European Space Agency‘s (ESA) GAIA Mission (Global Astrometric Interferometer for Astrophysics) and NASA’s Transiting Exoplanet Survey Satellite (TESS). Researchers have found nearly 1,700 constellations where the existence of extra-terrestrial civilisations is highly possible. As per the research paper, aliens in at least 313 extra-terrestrial planets have seen the Earth orbiting the Sun for several thousand years.
Similarly, human beings are aware of the fact that there are other planets orbiting the Sun in the Solar System. It would not have been possible for the scientists to discover about 4,000 planets in the last three decades, had their star not been guarded by them from human eyes while orbiting the former. As the planets are covered by the light of the stars, it becomes easier for the researchers to find the whereabouts of those planets when the star is covered by one of those planets. This way, aliens from 313 constellations might have been watching the Earth orbiting the Sun for more than thousands years. Those constellations are not too far away from the Earth. According to researchers, they are about 326 light years away from the Sun. Of those 1,700 constellations, 75 are less than 100 light years away from our Sun.
Lisa Kaltenegger – the Lead Researcher, Associate Professor in Astronomy and the Director of the Carl Sagan Institute at Cornell – said: “When I look up at the sky, it looks a little bit friendlier because it’s like, maybe somebody is waving. Even though some experts, including the late Stephen Hawking, warn against reaching out to aliens because they could harm us, it doesn’t matter. If those planets have advanced life, someone out there could conclude that there is life back here based on oxygen in our atmosphere, or by the radio waves from human sources that have swept over 75 of the closest stars on the list. Hiding is not really an option.”
The research paper has also hinted which constellation is nearest to our Earth. It is Ross 128, a red dwarf in the equatorial zodiac constellation of Virgo, near β Virginis. The apparent magnitude of this constellation is 11.13, and it is just 10.89 light years away from the Earth. Any inhabitants of this exo-world could have seen the Earth transiting our own Sun for 2,158 years, starting about 3,057 years ago. They lost their vantage point about 900 years ago. There are several planets, with modern civilisations, in this constellation. And, many of them are maintaining a safe distance from their star. In astronomical terms, it is called the ‘Goldilocks Zone‘ or the ‘Habitable Zone‘. It is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure. Hence, the birth and development of life can happen there, effortlessly.
In the 1960s, Astrophysicist Frank Drake had developed an equation to estimate the number of advanced civilisations likely to exist in the Milky Way Galaxy and beyond. With the help of a mathematical equation, he had claimed that there was a possibility of the existence of at least 10,000 such advanced civilisations. The Pentagon was asked to submit a report to the US Congress in June on observations of alien spacecraft over the past two decades. NASA Administrator Bill Nelson, too, has instructed scientists to conduct research on alien spacecraft.
Meanwhile, Planetary Scientist of Carnegie Institution for Science Alan Boss has called the study paper provocative, saying that space telescopes nearby could spot the Earth even if the cosmic geometry is wrong, in addition to viewing the Earth moving in front of the star. “So, intelligent civilisations, who build space telescopes, could be studying us right now,” he stressed. At the same time, Boss stated that it would take a long time for messages and life to travel between stars and civilisations might not last long. “So, between those two, it’s enough to limit the chances for civilisations to exchange emails and TikTok videos. So, we should not expect aliens to show up anytime soon,” he added.
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Koushik Das
ISMC
Boundless Ocean Of Politics 