Do you Think we Are alone in the Universe?

[YuSoDum]

We are not alone.

Humans are a destructive species.

I'm pretty sure we are so far away from other life because earth is like prison for horrible species. I mean look at what we do to each other and our planet...

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[peter0425]

Кaкиe тo живыe opгaнизмы cyщecтвyют внe нaшeй плaнeты. Этo вpoдe кaк дoкaзaнo, oт cюдa вoпpoc, пoчeмy бы и нe cyщecтвoвaть бoлee paзyмным cyщecтвaм.

with this alien in english board?yeah i dont think we are not alone in this Universe hahaha.

This is a very difficult question, I think. I would like to believe that we are not alone and a lot of research is being done on this issue, but is it worth it to believe. who knows... who knows...

after Tons of researches?what happen?still floating in the air lol.

but our mind tells us that there are other species from where?thats we dont know.

[star7dust]

No! This is just lack of consciousness when people say so! I think it is blind to think we're alone! Because if we only consider existent what we see, we limit ourselves. We just can't know everything and we have to accept it!

[BADecker]

No! This is just lack of consciousness when people say so! I think it is blind to think we're alone! Because if we only consider existent what we see, we limit ourselves. We just can't know everything and we have to accept it!

Except that the same could be said in the opposite direction, as well.

There are more science fiction writers than there are people who say that they have seen or met aliens. So, how do we know that they aren't simply making up some stories?

Until we get out there, or until the aliens are formally met and made known to the general public, how do we really know they even exist? Thinking that they exist, without having serious evidence or proof, is simply wishful thinking.

I don't mean that aliens don't exist out there. What I mean is that we don't know.

[NanLomarig]

I don’t think it’s worthwhile to exclude such an option, in fact life can exist where there is water, I don’t think that there is no such planet in the whole universe where at least a little water would not be found.

[Artemis3]

we are not alone, there are many creatures out there waiting for us to visit, and we are billions of light-years away from them

the logic that I take is very simple...
vast space is unlimited, a galaxy is only a small part of space and there are thousands of galaxies in space, in each galaxy there is one planet similar to Earth

is stupid and selfish if we say that only earth has a sentient life on this infinite space

Actually that is the very problem. You say "billions of light-years" but actually, few light-years is such serious a problem, it might make it impossible to ever meet another sentient race.

One of the theories postulates that, by the time you reach any place where such a race existed, they would have been long extinct. Same as them finding us.

The distances of the universe are NOT trivial, in fact they are insane. People can't even start imagining it for real. Closest nearest star (after Sol) is like 4 LY away, and we are not going to travel at the speed of light. A 10% of that is 40 years, meaning a generational ship at best. But wait, there is more! The simple fact that you are traveling so fast is already taking you to a different time (future) relative to your point of origin. 40 years at 10% the speed of life, on Earth happen to be several more (its possible to do the exact math, but i don't have that ability). Just know that the faster you travel the more years pass for the people not moving with you. Same thing happens to a traveler from another planet coming here...

"Time is relative". This is very, very, very profound. Its not a silly catch phrase, its quite real and dramatic. So for the people on the ship it might be 40 years, for the people on Earth.. 400? And, once you find a place, and settle, this place is already in a different time relative to you as well. Simply because that system is moving at different speed than ours (Sol). And the farther you go, the more dramatic the difference is. Consider that, we are relative far to the edge of our galaxy, and you want to travel towards the center. Well, like a disc spinning, the outer edges move faster than the center, so... Time is relative, remember? fun stuff!

Ten years for a colony in another galaxy might be 1000 years on Earth. A far away race that decides to come here, by the time they reach us we might be extinct, same for us trying to meet them. Even if Seti got a message telling come we are waiting for you, and we embark and take a century reaching some place, it might have passed several more years over there...

The vastness of space, is no child's play. And most sci-fi shows don't depict it properly, maybe to not confuse or make things boring. I think there is a video 3d simulation of how would the "space" look thru the window of a spaceship traveling near or at the speed of light, to debunk common misconceptions, and the answer is very funny: You wouldn't notice anything, as if the ship was full stop. Maybe if you look 90° to the sides you would see very faint moving, but the distances are so vast, looking in all directions while traveling near the speed of like, actually looks pretty much like a wallpaper/bitmap, static and boring, no "white dots" moving AT ALL.

Breaking the speed of life so far is only existing in the realm of imagination. Short of finding or making wormholes, or theoretical engines that need matter/antimatter (Alcubierre drive?), literally Star Trek stuff. But even with that the other phenomenon persists. You cannot simple go and return to Alpha Centauri and expect the same people you knew to live. Maybe you can meet their descendants...

I know an anime that depicts this, and some sci-fi novels do (with great extent), but i don't know many sci-fi shows or movies that do, I'm probably missing one that does it well. Interstellar kinda did but could have been more explicit. Yes, when you travel fast (or far), you are also taking a one way ticket to the future. This phenomenon is called "Time Dilation".

[BADecker]

^^^ That's why we really need to develop this: To the stars by atom bomb: The incredible tale of the top secret Orion Project - https://newatlas.com/orion-project-atom-bomb-spaceship/49454/. We could reach 12% of the speed of light with this.

But are we ready for what's out there between the stars?

In a new study, the researchers confirm Voyager 2's passage on Nov. 5, 2018, into the ISM by noting a definitive jump in plasma density detected by an Iowa-led plasma wave instrument on the spacecraft. The marked increase in plasma density is evidence of Voyager 2 journeying from the hot, lower-density plasma characteristic of the solar wind to the cool, higher-density plasma of interstellar space. It's also similar to the plasma density jump experienced by Voyager 1 when it crossed into interstellar space.

"In a historical sense, the old idea that the solar wind will just be gradually whittled away as you go further into interstellar space is simply not true," says Iowa's Don Gurnett, corresponding author on the study, published in the journal Nature Astronomy. "We show with Voyager 2—and previously with Voyager 1—that there's a distinct boundary out there. It's just astonishing how fluids, including plasmas, form boundaries."

[Artemis3]

^^^ That's why we really need to develop this: To the stars by atom bomb: The incredible tale of the top secret Orion Project - https://newatlas.com/orion-project-atom-bomb-spaceship/49454/. We could reach 12% of the speed of light with this.

Its an improvement but still too slow for the vastness of space. In addition you'd need some form of conventional nuclear power generation if/when going interstellar (as the Voyager probes have), since solar panels are useless when you are too far from any star...

With the technology humanity has access to today, the only thing that could work is a generational "crude atom powered" ship, not knowing what to expect, completely on their own, without any hopes of ever returning to Sol in their lifetimes.

Such a long trip would need artificial gravity and good shielding, self sustained food growth. etc. I guess something resembling an O'neil tube colony, simply pushed forward... Maybe we are a century too early, we haven't even began to colonize our "little" Solar system yet...

[BADecker]

^^^ That's why we really need to develop this: To the stars by atom bomb: The incredible tale of the top secret Orion Project - https://newatlas.com/orion-project-atom-bomb-spaceship/49454/. We could reach 12% of the speed of light with this.

Its an improvement but still too slow for the vastness of space. In addition you'd need some form of conventional nuclear power generation if/when going interstellar (as the Voyager probes have), since solar panels are useless when you are too far from any star...

With the technology humanity has access to today, the only thing that could work is a generational "crude atom powered" ship, not knowing what to expect, completely on their own, without any hopes of ever returning to Sol in their lifetimes.

Such a long trip would need artificial gravity and good shielding, self sustained food growth. etc. I guess something resembling an O'neil tube colony, simply pushed forward... Maybe we are a century too early, we haven't even began to colonize our "little" Solar system yet...

Of course, of course. Twelve percent of the speed of light would take 50 years to reach Alpha-Centari. And at that speed, one speck of dust in the way would vaporize the whole ship.

In Gene Roddenberry's Andromeda, "The Lone and Level Sands," The crew of the Andromeda encounter the Bellerophon, a ship from Earth that travels at high speed. While the Bellerophon is blasting along, because of Relativity, Earth progresses in hundreds of years while the Bellerophon people barely age.

There has to be a better way... like riding strings in Andromeda. But it seems that if anyone has the ability to do this, he isn't making it known to the rest of us.

For going to the stars, we are essentially just picking up the drawing board. We aren't even at the drawing board yet. And it seems that our knowledge of aliens is at the same point. Aliens are all guesswork.

[Offmi102]

The universe is not voluminous and I believe that we are not alone

[Artemis3]

^^^ That's why we really need to develop this: To the stars by atom bomb: The incredible tale of the top secret Orion Project - https://newatlas.com/orion-project-atom-bomb-spaceship/49454/. We could reach 12% of the speed of light with this.

Its an improvement but still too slow for the vastness of space. In addition you'd need some form of conventional nuclear power generation if/when going interstellar (as the Voyager probes have), since solar panels are useless when you are too far from any star...

With the technology humanity has access to today, the only thing that could work is a generational "crude atom powered" ship, not knowing what to expect, completely on their own, without any hopes of ever returning to Sol in their lifetimes.

Such a long trip would need artificial gravity and good shielding, self sustained food growth. etc. I guess something resembling an O'neil tube colony, simply pushed forward... Maybe we are a century too early, we haven't even began to colonize our "little" Solar system yet...

Of course, of course. Twelve percent of the speed of light would take 50 years to reach Alpha-Centari. And at that speed, one speck of dust in the way would vaporize the whole ship.

In Gene Roddenberry's Andromeda, "The Lone and Level Sands," The crew of the Andromeda encounter the Bellerophon, a ship from Earth that travels at high speed. While the Bellerophon is blasting along, because of Relativity, Earth progresses in hundreds of years while the Bellerophon people barely age.

There has to be a better way... like riding strings in Andromeda. But it seems that if anyone has the ability to do this, he isn't making it known to the rest of us.

For going to the stars, we are essentially just picking up the drawing board. We aren't even at the drawing board yet. And it seems that our knowledge of aliens is at the same point. Aliens are all guesswork.

Without basic traveling even to the nearest Star, you cannot even start thinking about encountering alien species. Unless luckily (or unluckily) there happens to be one (not extinct) by the time we do reach said star.

Dilation works more or less like that. Actually the time for the people in the ship is running normal, but when observed from Earth, they would appear to be moving slowly. Conversely the people from the ship looking at Earth (if they could see it), would look that it goes faster and faster. Of course at these vast distances direct observation is probably impossible, but you can confirm the results if you go and come. The best way to understand it, is that you can travel to the future, by simply going real quick, but there is no turning back.

The other chance is them finding us, before we disappear. Remember, no matter where they are, their relative time is already separate than ours. This is a physical reality we cannot even start to comprehend. Time in Alpha Centauri is relative disconnected to ours, 1 (Earth) year there is not 1 (Earth) year here, and if you travel "fast" you even add even more divergence relative to both places.

All those dots you see in the sky at night, are images of the distant past, not just distant places. Well except the few dots from our local Solar System.

Amazing how Einstein could predict such a thing without ever confirming it.

Thing is, even with wormholes, once you are in the other side, your time dilation is dramatically different from your point of origin, even with "instant" teleporting, every minute you spend over there, could be years over here (or viceversa, depending which object is moving slower relative to the other). So if you "warp" to the center of the galaxy, then perhaps spending a year there is only a minute here. You may return old, but things here would have barely changed. Those that stayed could say that your time "accelerated", but its only a matter of perspective, really.

[Jalinayr]

I think we are not ,because there are so many planet in our Galaxy Milky Way. So that there are posibility that we are not alone.

[DimitrisLodirogas]

No we definitely aren't but it's impossible to say. Life started evolving on the planet as soon as it had possibility to do it. Carbon-based (simple) life is almost surely distributed and abundant throughout the space...we are not alone

[BADecker]

No we definitely aren't but it's impossible to say. Life started evolving on the planet as soon as it had possibility to do it. Carbon-based (simple) life is almost surely distributed and abundant throughout the space...we are not alone

The only evolution that exists is that, as intelligence decreases in people because of entropy, their reduced intelligence causes evolution to evolve in their minds.

[momchilandonov]

I believe that the existence of other life forms is possible. But they certainly are not like us. Moreover, I doubt that these life forms are as intelligent as humans.

[sarnic]

No we are not, because of the vastness of the universe which doesn't let us to be alone. There are definitely other civilizations...somewhere

[BADecker]

No we are not, because of the vastness of the universe which doesn't let us to be alone. There are definitely other civilizations...somewhere

But these other civilizations don't contact us, because they know what IT IS ALL ABOUT. We are so ignorant that why in the world would anyone from "out there" want to have anything to do with us?

[BADecker]

No we are not, because of the vastness of the universe which doesn't let us to be alone. There are definitely other civilizations...somewhere

But these other civilizations don't contact us, because they know what IT IS ALL ABOUT. We are so ignorant that why in the world would anyone from "out there" want to have anything to do with us?

https://www.youtube.com/watch?v=ViMF510wqWA

https://www.youtube.com/watch?v=BR0TvNGrxpI