Space
Life Can Even Exist In The Stars: Is Our Sun Home To Alien Life?
We tend to look for very specific forms of life in the universe based on what we know: an Earth-like planet in orbit around a star and at a distance that allows the water on its surface to be in a liquid state.
Much has already been said about silicon life forms or, for example, methane-based life as an alternative, but what else is theoretically possible?
According to a study by a group of physicists, hypothetically, there may well be alien species that can form, develop and flourish in the depths of stars. It all depends on how you define life.
It is quite possible that even inside our Sun there is also a life form completely unidentified for us.
If we take as a key the ability to encode information by some carriers and the ability of these carriers to reproduce themselves faster than they decay, then hypothetical monopole particles strung on cosmic filaments can become the basis of life inside stars, just as DNA and RNA form the basis of life on Earth.
With these “necklaces” the process of mass formation of random sequences could well have occurred until one was formed that is capable of self-replication, as was the case with RNA.
The problem is that neither cosmic strings (one-dimensional linear objects) nor monopoles (elementary particles with one magnetic pole) have been discovered so far, remaining purely hypothetical, but theory is always ahead of practice.
Back in 1988, Russian scientists Evgeny Chudnovsky and his colleague, theoretical physicist Alexander Vilenkin, predicted that cosmic strings could be captured by stars.
Cosmic necklaces can form in a series of symmetry-breaking phase transitions, according to a new study. At the first stage, monopoles appear. In the second – strings.
This can lead to a stable configuration of one monopole bead and two strings, which, in turn, can be connected, forming one, two, and even three-dimensional structures that are as similar as possible to atoms connected by chemical bonds.
Cosmic strings are hypothetical 1-dimensional topological defects which may have formed during a symmetry-breaking phase transition in the early universe when the topology of the vacuum manifold associated to this symmetry breaking was not simply connected.
Interestingly, according to the authors of the work, if the lifespan of self-replicating nuclear species is as short as the lifespan of many unstable composite nuclear objects, they can quickly evolve towards great complexity.
What might such a species of aliens look like? This, physicists believe, is a real feast for the imagination, but there is no clear direction. Our current knowledge of life as such is too tied to the life form we know on Earth.
But scientists have suggested that, since such organisms will use part of the energy of their star for survival and reproduction, this may explain the faster cooling of some of them, which does not correspond to accepted models. Randomly dimming stars can also be included here.
For example just a few months before the COVID-19 pandemic really kicked off in early 2020, the world was fixated on a distant supergiant star, 700 light-years away known as Betelgeuse. The monstrous furnace suddenly dimmed, becoming 10 times darker than usual.
To date, this is nothing more than an interesting hypothesis, but physicists plan to continue research by developing models of cosmic necklaces in stars.
Yes, it is far from certain that this will lead us to an encounter with brightly luminous aliens, but at least it can give us a better understanding of cosmic strings and monopoles. In the end, the idea that the universe is actually overflowing with the most diverse life cannot but excite the mind.
A former US Air Force fighter pilot asserts that he has deciphered
the method behind the extraordinary maneuvers of UFOs, reports dailystar.co.uk.
Over
the past two decades, numerous military encounters with these enigmatic
crafts have been reported, prompting a significant investigation by the
Pentagon.
One of the most renowned sightings occurred during the
USS Nimitz encounter, where fighter pilots witnessed a UFO descending
from 28,000 feet to just above sea level in less than a second.
This
astonishing movement would imply that the craft reached a staggering
speed of 19,000 miles per hour, a velocity that would be fatal to any
human pilot.
According
to Chris Lehto, a former USAF pilot, the craft exhibits two key
characteristics: it moves without inertia, essentially lacking weight,
and it accelerates at an incredibly rapid pace without affecting its
surroundings.
Image: NATO Allied Air Command/Facebook
Chris
believes that the explanation lies within a technology that seems
straight out of science fiction. He proposes that the answer to the UFO
enigma lies in the Alcubierre Drive, a theoretical interstellar engine
conceptualized by Mexican physicist Miguel Alcubierre in 1994.
The
Alcubierre Drive employs a form of “space warp” technology, reminiscent
of what has been depicted in episodes of Star Trek. By bending space, a
craft inside a “warp bubble” could potentially travel at or even
surpass the speed of light without violating the known laws of physics.
While
the Alcubierre Drive remains a hypothetical concept with challenges to
overcome, Chris notes that the required energy is no longer believed to
be unattainably large.
Patents
filed with the US patent office outline the potential workings of the
drive, as well as another groundbreaking technology theorized by
American aerospace engineer Salvatore Pais.
Pais suggests that
high-powered rotating magnets could theoretically eliminate an object’s
inertia, and he has filed a patent for a starship based on this
principle.
However, Chris maintains skepticism regarding Pais’
theory. He explains that while Pais’s patent applications for the US
Navy attracted attention for their potential energy-related
applications, doubts have been raised about their feasibility. There is
speculation that they may be scams, pseudoscience, or disinformation
intended to mislead adversaries of the United States.
Alternatively,
rival theories propose that the “Tic Tac” UFO is a classified Pentagon
project testing similar advanced technologies discussed by Chris.
Scientists say they have found evidence of a new Earth-like
planet that has suddenly appeared in our Solar System and is orbiting
the Sun.
Physicists, including those from the National Astronomical Observatory
of Japan, said the planet is likely to be the mysterious ‘Planet Nine’
that was hypothesised to exist in the far outer edges of the Solar
System.
Several studies in the past have suggested there is likely an
undiscovered planet beyond the Kuiper Belt – a stellar disk of materials
such as asteroids, space rocks, comets around the Sun in the outer
Solar System past the orbit of Neptune.
Independent.co.uk reports: In the new research, published recently in The Astronomical Journal, scientists
found that some of the objects in the Kuiper Belt behave in a way
indicative of the presence of a small planet among them.
One such object, they said, is about 500 astronomical units (AU) from
the Sun, where 1 AU is the distance between the Sun and the Earth.
In comparison Neptune is at a distance of 30 AUs from the Sun.
Some of these were also found to have “odd” orbits suggesting they
are being pull by the gravity of a cosmic entity larger than those that
typically influence such objects.
Computer simulations run by the scientists indicate that the most
likely explanation for the observations was another hidden planet in the
Kuiper Belt.
“We predict the existence of an Earth-like planet,” researchers wrote in the study.
“It is plausible that a primordial planetary body could survive in
the distant Kuiper Belt as a Kuiper Belt planet (KBP), as many such
bodies existed in the early solar system,” they added.
If such a planet exists, researchers say it would have a mass about
1.5 to 3 times that of Earth with an inclination of about 30 degrees.
They say the theorised planet’s orbit would likely place it between 250 and 500 AU from the Sun.
Researchers say the discovery of such a planet close to the Kuiper
Belt can unravel new constraints on planet formation and evolution.
“In conclusion, the results of the KBP scenario support the existence
of a yet-undiscovered planet in the far outer solar system,” scientists
noted.
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