The Most Interesting and Weird Theories

[Alvin_255]

What if they do know about us, what if because they more advance in technology than us then there satellites may be small like smart phone and we cant see them or may be there satellite or telescope are far but they can see at a far distance

Considering that we have found organic compounds and amino acids in space, it is not just possible but highly probable that life is the rule rather than the exception. That said, it took nearly 3.8 billion years for life to go from simple single celled organisms to complex life then another half a billion years or so for intelligent life to develop so while life may be common, complex life may be rare and intelligent life rarer still.

I’m going to assume that when we say “aliens” we mean intelligent, technological alien civilizations. This is a question that has been posed many people. In fact there is the Fermi Paradox that addresses this very question. In short, The Fermi paradox is the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. There are many possible explanations offered as solutions for the Fermi paradox. I strongly recommend Isaac Arthur’s series on the Fermi paradox solutions. The most compelling solution to the lack of evidence for the existence of advanced civilizations is the Great Filters. These are events that life has to make it through in order to progress.

Some examples of Great Filter events include asteroid impacts, solar flares, volcanic eruptions, self destruction, and so on. Not all these events are preventive. For example, if the asteroid impact that killed off most of the non-avian dinosaurs had not happened, it is likely that no intelligent life would have arisen. I base this on the fact that land animals had existed on Earth for nearly 725 million years with no evidence of intelligence having evolved. If the impact had not occurred allowing mammals to explosively diversify, humans would never have evolved. So the impact was a filter that cleared the way once highly complex life had evolved.

On the other side of the coin, there was the eruption of the Toba super-volcano around 74 000 years ago. It reduced the human population to between 3 000 to no more than 10 000 individuals. If humans had been less spread out, or if there had been a second super-volcanic eruption soon after Toba, we would have been wiped out. Contrary to the bible, you need more than 2 or 8 individuals to sustain a species.

 

[dosho12]

To me, i do believe that there must be life outside our world.

If we are the only one in the universe do you think we should be fighting and creating war among ourself because it only take a minute for the nuclear explosion to wipe us all in the universe

 

[Alvin_255]

To me, i do believe that there must be life outside our world.

It’s very unlikely any other planet in the solar system has any form of life.

Mercury is bone dry and blasted by solar radiation. The side facing the sun is hundreds of degrees while the other side is frigid.

Venus is so ridiculously hot and its atmospheric pressure so high that nothing can survive there. The atmosphere is most carbon dioxide and it rains sulfuric acid.

Mars has a very thin atmosphere and no liquid water on its surface. It may have hosted simple life billions of years ago before it lost its atmosphere and surface water. Also, there is no magnetic field protecting the planet from intense solar radiation. Still, there’s a slight chance that simple life could exist underground in pockets of water.

The gas giants Jupiter and Saturn are mainly composed of hydrogen and helium. Neither has a surface. And as you head towards their centers, the pressure and temperature quickly become extreme.

The ice giants Uranus and Neptune are extremely cold. Too cold for any biological processes to go on. And like the gas giants, the basic ingredients for life are not present.

By time we get to the dwarf planets, such as Pluto, they are so far from the sun that they are frozen solid worlds. They only have the slightest of atmospheres and no liquids. They are also far too cold to support any type of biological processes.

There are moons of Jupiter and Saturn which have the potential to have life in their water oceans below their frozen surfaces. But again, only simple life is likely. Something like a virus or simple single cell bacterial creatures.

Science can not say yes or no yet. That’s the reason for ongoing research and testing. We can not yet say with and certainty

 

[dosho12]

Considering that we have found organic compounds and amino acids in space, it is not just possible but highly probable that life is the rule rather than the exception. That said, it took nearly 3.8 billion years for life to go from simple single celled organisms to complex life then another half a billion years or so for intelligent life to develop so while life may be common, complex life may be rare and intelligent life rarer still.

I’m going to assume that when we say “aliens” we mean intelligent, technological alien civilizations. This is a question that has been posed many people. In fact there is the Fermi Paradox that addresses this very question. In short, The Fermi paradox is the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. There are many possible explanations offered as solutions for the Fermi paradox. I strongly recommend Isaac Arthur’s series on the Fermi paradox solutions. The most compelling solution to the lack of evidence for the existence of advanced civilizations is the Great Filters. These are events that life has to make it through in order to progress.

Some examples of Great Filter events include asteroid impacts, solar flares, volcanic eruptions, self destruction, and so on. Not all these events are preventive. For example, if the asteroid impact that killed off most of the non-avian dinosaurs had not happened, it is likely that no intelligent life would have arisen. I base this on the fact that land animals had existed on Earth for nearly 725 million years with no evidence of intelligence having evolved. If the impact had not occurred allowing mammals to explosively diversify, humans would never have evolved. So the impact was a filter that cleared the way once highly complex life had evolved.

On the other side of the coin, there was the eruption of the Toba super-volcano around 74 000 years ago. It reduced the human population to between 3 000 to no more than 10 000 individuals. If humans had been less spread out, or if there had been a second super-volcanic eruption soon after Toba, we would have been wiped out. Contrary to the bible, you need more than 2 or 8 individuals to sustain a species.

If the age of earth is 4.5 billion years old and we have already accomplish many things, then what happen to the planets in our galaxy or another galaxy which were formed earlier than us lets say they are a billion years older than us what do you think their accomplishment will be

 

[Shimba ya Buyenze]

CHAT GPT inatema madini ya kufa mtu kwenye baadhi ya comments 😂

 

[sawima]

It’s very unlikely any other planet in the solar system has any form of life.

Mercury is bone dry and blasted by solar radiation. The side facing the sun is hundreds of degrees while the other side is frigid.

Venus is so ridiculously hot and its atmospheric pressure so high that nothing can survive there. The atmosphere is most carbon dioxide and it rains sulfuric acid.

Mars has a very thin atmosphere and no liquid water on its surface. It may have hosted simple life billions of years ago before it lost its atmosphere and surface water. Also, there is no magnetic field protecting the planet from intense solar radiation. Still, there’s a slight chance that simple life could exist underground in pockets of water.

The gas giants Jupiter and Saturn are mainly composed of hydrogen and helium. Neither has a surface. And as you head towards their centers, the pressure and temperature quickly become extreme.

The ice giants Uranus and Neptune are extremely cold. Too cold for any biological processes to go on. And like the gas giants, the basic ingredients for life are not present.

By time we get to the dwarf planets, such as Pluto, they are so far from the sun that they are frozen solid worlds. They only have the slightest of atmospheres and no liquids. They are also far too cold to support any type of biological processes.

There are moons of Jupiter and Saturn which have the potential to have life in their water oceans below their frozen surfaces. But again, only simple life is likely. Something like a virus or simple single cell bacterial creatures.

Science can not say yes or no yet. That’s the reason for ongoing research and testing. We can not yet say with and certainty

Of course its all about uncertainty.

But your explaination here is based only on planets and satellites forming our sola system. How about planets forming system with other stars may be some of them might have environment supporting biological life form too.

 

[Alvin_255]

Of course its all about uncertainty.

But your explaination here is based only on planets and satellites forming our sola system. How about planets forming system with other stars may be some of them might have environment supporting biological life form too.

So far, there’s been no sign that any of them could support any form of life. They’re either too big, too hot, too dry, too close to their star, too far from their star, no signs of free water or oxygen… But by the law of averages, a percentage of exoplanets will have a geology and atmosphere similar to our own, and if life could begin here, there’s no reason it couldn’t do elsewhere. What percentage of stars are likely to have planets which meet all the geological and environmental requirements those in a so-called ‘Goldilocks Zone’ I really don’t know.

 

[Alvin_255]

If the age of earth is 4.5 billion years old and we have already accomplish many things, then what happen to the planets in our galaxy or another galaxy which were formed earlier than us lets say they are a billion years older than us what do you think their accomplishment will be

The year 2010 was thrilling for space enthusiasts. In late September, a group of American astronomers announced that they had discovered the first planet that is able to support life-form, as we know them, on its surface. The planet which researchers named GLIESE 581g [nicknamed ZARMINA], is located far beyond our solar system. Scientists believe it to be roughly 33 percent largest than Earth. It does not seem to rotate on an axis, however. This means that one side of ZARMINA is always facing the sun while the other side is in darkness. This means that the side facing the sun is very hot and the dark side facing away is very cold. However, temperatures along the line between day and night, called the TERMINATOR, might be mild enough for life to exist.

 

[dosho12]

So far, there’s been no sign that any of them could support any form of life. They’re either too big, too hot, too dry, too close to their star, too far from their star, no signs of free water or oxygen… But by the law of averages, a percentage of exoplanets will have a geology and atmosphere similar to our own, and if life could begin here, there’s no reason it couldn’t do elsewhere. What percentage of stars are likely to have planets which meet all the geological and environmental requirements those in a so-called ‘Goldilocks Zone’ I really don’t know.

what about proxima century B it is said it can support life

 

[sawima]

CHAT GPT inatema madini ya kufa mtu kwenye baadhi ya comments 😂

Like which one?😀

 

[Alvin_255]

what about proxima century B it is said it can support life

As far as I know It is currently not possible to determine what life is on Proxima Centauri B would look like as no evidence of life has been found on the exoplanet. Until further data and evidence is gathered, all speculation about the appearance of potential life on Proxima Centauri B remains purely speculative. However, if life does exist on Proxima Centauri B, it is likely to be vastly different from any life forms known on Earth, as it would have evolved under different conditions and in a different environment.