Space
Humanity Has Not Found Aliens and This is a Serious Cause For Concern
Neither the Earth, nor the Solar System, nor even the Milky Way is something unique to the Universe, which has sheltered at least two trillion galaxies with hundreds of billions of stars and even more planets.
Knowledge of these facts leads to a completely logical conclusion: life must be widespread in the universe. Somewhere there must be highly developed civilizations with which mankind can come into contact.
Why have we still not found “brothers in mind”? There can be many answers to this question, but today we will consider such an option as catastrophic climate change.
First, we know from personal experience that progress and an ever-increasing population lead to “overheating of the planet”;
Secondly, looking at Mars, we know that the once warm and humid world can turn into a lifeless desert during such uncontrolled processes as, for example, the fall of a large meteorite.
So, if we exclude natural processes, as in the case of Mars, then there remains the option of human influence on the planet’s climate.
Recent studies suggest that we have already passed the point of no return , which means that the situation will get worse and worse, which in the future may lead to the collapse of civilization.
If we stop burning fossil fuels (oil, gas) right now, it will take centuries to eliminate the consequences of climate change. In other words, we screwed up so much that it became too difficult to clean up after ourselves.
Perhaps we have not found traces of the activities of highly developed aliens for the reason that they have long disappeared as a species, unable to cope with climate change on their planets.
Global warming is an inevitable side effect of any progress, as it is impossible to make the leap from primitive tools directly to renewable energy and electric vehicles. Absolutely any developed civilization is bound to face serious climate problems.
It is likely that in the Universe there were a huge number of progressive civilizations that appeared long before mankind, which faced irreparable climate change and simply died out.
This, by the way, may be one of the solutions to the Fermi paradox – the absence of visible traces of the activities of highly developed aliens.
Humanity, being a fairly young intelligent (relatively) species, has already reached the point where each new day becomes gloomier than the previous one. Therefore, it is possible that highly developed aliens could simply get ahead of us in self-destruction.
Recently, a group of experts from Harvard University, led by physics
professor Avi Loeb, announced the possible presence of alien space
debris in Earth’s orbit, reports the Daily Star.
Leading
space research expert Professor Loeb is confident that the discovery of
such “interstellar objects could help expand our knowledge of possible
alien civilizations and technologies. A team of scientists is conducting
research to confirm that some of the objects in our orbit may be
connected to other star systems.
During an interview with Live
Science, Professor Loeb explained that these objects could enter the
solar system from interstellar space, defying Jupiter’s gravitational
pull and occupying limited orbits around the sun.
Some of them may
have technological origins similar to the probes sent by mankind into
interstellar space, such as Voyager 1 and Voyager 2, Pioneer 10 and 11
and New Horizons.
However,
despite these interesting assumptions, Professor Loeb did not specify
what specific objects he was talking about. In his research report, he
notes that there could be “a significant number” of potentially
detectable objects in Earth’s orbit.
To confirm their assumptions,
the team of scientists uses computer simulations and the Vera Rubin
Observatory (Chile) with a high-resolution camera of 3.2 billion pixels.
This will allow for regular observations of the Southern sky and the
possibility of detecting several captured objects about the size of a
football field.
It is assumed that these interstellar objects passed through the
boundaries of the solar system and may carry unique information about
other civilizations and their technologies. If we could confirm the
origin of these objects, the mysteries that open before us, this would
be a real breakthrough in space exploration.
Professor Loeb
expresses hope that the new research will not only help expand our
knowledge of extraterrestrial technologies, but may also lead to the
discovery of new alien civilizations . Answers to such questions can be
of global significance and influence our understanding of the place of
mankind in the Universe.
And
while there are still many questions and assumptions, the study by
Professor Loeb and his team opens a new chapter in space exploration.
Each new discovery can be the key to deciphering the mysteries of the
cosmos and the possibility of encountering alien life forms.
Betelgeuse, a red giant on the brink of death, continues to show
unusual behavior. After the Great Blackout, which occurred in late 2019
and early 2020, the star became unusually bright. It is now the seventh
brightest star in the sky, while it normally ranks tenth. This has led
to speculation that Betelgeuse is preparing to explode in a
spectacularly large supernova.
However, scientists believe it’s too early to tell, and it’s likely
that this behavior is due to ongoing fluctuations after the Great
Blackout of 2019, and the star will return to normal within a decade.
Betelgeuse is one of the most interesting stars in the sky. It is
about 700 light-years from Earth and is a red giant in the last stage of
its life. It is also an unusual star for a red giant because it was
previously a monster blue-white O-type star, the most massive class of
stars.
Betelgeuse has changed its spectral type because it has almost
exhausted its hydrogen reserves. It now burns helium into carbon and
oxygen and has expanded to a gigantic size: about 764 times the size of
the Sun and about 16.5 to 19 times its mass.
Eventually it will run out of fuel to burn, become a supernova, eject
its outer material, and its core will collapse into a neutron star.
Before the Great Blackout, Betelgeuse also had periodic fluctuations
in brightness. The longest of these cycles is about 5.9 years and the
other is 400 days. But it seems that the Great Blackout caused changes
in these oscillations.
A new paper by astrophysicist Morgan McLeod of the
Harvard-Smithsonian Center for Astrophysics has shown that the 400-day
cycle appears to have been halved. This pulsational cycle is probably
caused by expansion and contraction within the star. According to
simulations carried out by MacLeod and his colleagues, the convective
flow inside Betelgeuse may have risen and become material that separates
from the star.
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