awash in space aliens

^^^^
Personally, I believe the universe is endless, just hard to grasp.
 
Since we have only Earth as an example, it's difficult to make reasonable guesses on what forms alien life might take. Could some aliens live much longer than humans, thus making an interstellar trip of a single generation more feasible? Long individual life spans seem likely to reduce the pace of evolution. Beings that live, say, one million Earth years are less likely to evolve space-faring intelligence.

I watched a video that argued machines can operate much longer than biological life forms. Not sure I agree, but that was the basis for projecting that machines have already colonized most galaxies. They concluded the lack of alien machines landing on Earth means no machines have taken over our galaxy. My thought was, wait, maybe durable machines require iron in their structure, so they intentionally avoid planets like Earth that have lots of rust-making water. To make better estimates of what is Out There, we need more examples than just Earth.
 
Look up the Drake equation. We live in an era where the parameters are rapidly growing well known so perhaps soon we can quantify most of them. But, f1, the "fraction of planets that could support life that actually develop life at some point" is a big unknown that we must assume is zero until we have statistics. So far we are unique in having life. Until we actually discover life elsewhere in the universe I will remain skeptical. I want to believe it is common but I see no evidence.
 
It is an oxymoron and I hate it when there is an alien program on The History Channel.
 
MichaelB said:
Dune gave us melange, also known as spice, which allows Space Guild navigators to cross the universe in short periods of time.
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And then Star Trek ripped off this idea and came up with fungus spore transportation. ("Discovery")

Irishgirlyc58 said:
Didn’t people used to say that airplane flight was impossible?
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Yes, but engineers knew is was a solvable problem. Since the dawn of man, it was obvious heavier than air flight was possible. Just watch a bird. The exercise after that was simply engineering refinement. With faster than light travel, we have no material evidence this has happened for solid, large objects. (Quantum is a different realm.)

DrRoy said:
It is an oxymoron and I hate it when there is an alien program on The History Channel.
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TV has just gone to crap. "The Learning Channel" is now nothing but learning about how to have bad relationships.
 
Most of the conjecture of alien lifeforms are that they are based on carbon like we are. But what if they aren't? Silicon? Not needing oxygen? Any other types using different minerals? Not seeing like we do but in different wavelengths based on the type of sun, infrared? ultraviolet?
This could be endless and we might never be able to interact with them or even recognize them as an intelligent lifeform unless they produce items like we are familiar with. We only know what minerals and organic life like what we have here on earth.
 
folivier said:
Most of the conjecture of alien lifeforms are that they are based on carbon like we are. But what if they aren't? Silicon? Not needing oxygen? Any other types using different minerals? Not seeing like we do but in different wavelengths based on the type of sun, infrared? ultraviolet?
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This is a good point. But you too, are starting from a position of question begging. You are not asking, "Is there intelligent life in the universe?" You are already assuming there is, and asking, "Is the other intelligent life in the universe like we are?"

You--and most everybody else--proceeds from the assumption that yes, indeed, there is intelligent life out there. That the incredibly long times and random evolution of life that happened here could happen just about anywhere and could involve mutations and chemical reactions we can't even imagine. The attitude is a given--it's going to happen; we are not unique.

This is what I mean by people wanting to put their faith in something outside themselves.
 
No one has mentioned panspermia yet, which could have seeded Earth with simple life forms. Even some animal life, for example tardigrades, can survive space travel. The evolutionary path from there to space-faring civ is a rocky path, pun intended since it was the asteroid that wiped out the dinosaurs that made room for mammals to ascend here. Would dinos have invented space travel? Indications are they would not since they were around a much longer time before the asteroid without such an invention.
 
With all the billions of planets in existence, it's possible there is life on other planets at some point in time. But since Time is infinite, the life that existed on some planet could have ended long ago.

Same with Earth, we have seen in history things die off, and I think it's quite possible humans will also die off.

If other Aliens ever visited or sent radio messages, they may find a planet without humans and maybe not even a trace of us in 300 million years.

Some people don't realize the vastness of space and the lengths of time involved
 
folivier said:
Most of the conjecture of alien lifeforms are that they are based on carbon like we are. But what if they aren't? Silicon? Maybe. This was the basis for the Science Fiction novel "Andromeda Strain" by Michael Crichton about a deadly alien virus that was Silicon based. It was even turned into a move twice. I kind of doubt it would be possible since silicon oxidizes to siica or sand to become solid but fun to think about. Not needing oxygen? There are already species on earth that are anaerobic and use sulfate to reduce to hydrogen sulfide for their energy requirements but nothing has yet to evolve to anything more complex than a bacterium. Any other types using different minerals? Not seeing like we do but in different wavelengths based on the type of sun, infrared? ultraviolet?
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I'll tell you this: hammerhead worms are invading our area. If you ever run into one, you will be convinced it is alien. ;)

As for silicon life, Kirk already took care of that problem:
silicon.JPG
 
My DSI was for years convinced orbs existed and tried to make contact with her. They followed her around in her phone. She saw them everywhere. She's very successful, makes lots of $$ and knows a lot of people in our community. She would share these videos of the orbs. And they were weird. They moved around, changed shapes, zipped from place to place. I was convinced. And she always had the most recent iPhone. They were there when she upgraded to a new phone.

I told a relative of mine about this. He believes aliens exist. We shared the videos with him. His good friend also believed in aliens but was a filmmaker. He knew cameras, he'd worked extensively in the film industry. We showed him the videos. He said very quickly, it's the lighting. These are not orbs. It's the light in your phone reflecting other light. We were crushed. I did not see these in my iPhone, it's much older, a 5s. The film expert then shared how light reflects and gave examples in video exchanges. I felt really bad for her.
 
As a scientist, I try to keep an open mind. However, trying to come up with any plausible explanation about why any space alien civilization would WANT to come to Earth is where I sort of shrug. Nor is any planet in our solar system likely to be inhabited by beings able to build space travel machines. There just might be some slime or virus or bacteria in liquid water on Jupiter's/Saturn's moons, but no "creature" able to develop and use tools and develop metallurgy/propulsion, etc. Any other civilization is so far away (over 4 light years minimum) that the actual travel doesn't w*rk according to Einstein (unless warp travel is actually possible.)

So could there be space alien visits. Yeah, I suppose so. Likely? Not likely. Besides, with 5 billion cell phones, where are the pictures (Yeah, I know, there have been a couple of recent pics that maybe can't be explained yet.)


So, I'm beyond skeptical, but still consider myself open minded. YMMV
 
Sunset said:
The US gov't officially declared me as an Alien :alien:, I did marry a USA human, and it took a few years for me to become one of you ;)
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I was a "green card" carrying Alien. Then a Federal Judge in Manhattan removed the label and declared me Naturalized Ciitzen.
 
I watched a bit of Ancient Aliens and saw too many leaps of illogic. For example, stone carvings were deemed to involve space aliens because they seemed to date from thousands of years ago. Maybe the carvings are that old, but obviously that doesn't mean they were made by non-humans.

I've thought about cameras also. UFO pictures from the 1950s through 1980s were captured when handy cameras numbered in the thousands. Now there are millions or billions of cameras being carried routinely, not to mention lots more security cams, yet we have not seen anything near a proportional increase in purported UFO photos.
 
How do we know that dinosaurs didn’t have space travel? I don’t think any items they could have built would still be around after millions of years. We have so little evidence from fossils that we don’t know much at all of their lifestyles. With continental drift, volcanoes, climate changes, there could have been previous intelligent life in the far distant past, many millions of years ago.
 
Just started reading my third book on the Mayans and Aztecs. They were so advanced in agriculture, astronomy, construction etc. Where and how did they -- and the Egyptians-- put all this together to the point that, even today we can't figure out how they did some of those things?

How did they even conceive of turning a simple grass into corn? Terrapreta for hundreds of miles? Today, those concepts would be laughed at.
 
^^^^^
And they both built pyramids many centuries before the North American continent was "supposedly" first discovered... Maybe they found the engineering specs on the Internet. :2funny:
 
marko said:
Just started reading my third book on the Mayans and Aztecs. They were so advanced in agriculture, astronomy, construction etc. Where and how did they -- and the Egyptians-- put all this together to the point that, even today we can't figure out how they did some of those things?
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I find that stuff amazing. I’m not sure that the answer is aliens but it’s just mind boggling that with all we know today we still can’t figure out how they did some of those things.
 
marko said:
Just started reading my third book on the Mayans and Aztecs. They were so advanced in agriculture, astronomy, construction etc. Where and how did they -- and the Egyptians-- put all this together to the point that, even today we can't figure out how they did some of those things?

How did they even conceive of turning a simple grass into corn? Terrapreta for hundreds of miles? Today, those concepts would be laughed at.
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And yet they never invented the wheel.
 
If you want some real interesting reading, research the Bronze Age......civilizations working with each other, trade routes, copper, bronze, tin, ships, etc. And it ended in a flash.
 
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