If there are aliens, what will they look like?

   / If there are aliens, what will they look like? #51  
Better to officially say there are “unidentified aerial phenomenon” than to say someone's secret research projects have been detected.

:)

Bruce
 
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   / If there are aliens, what will they look like? #52  
It's very highly unlikely that we are the only planet in the entire vast universe that holds life. That would mean that we are here purely by luck... and I don't believe in luck.
 
   / If there are aliens, what will they look like? #53  
Here's an interesting article that suggests that intelligent alien life forms would resemble humans to a certain extent. I tend to agree, and in my opinion, they would have to have something similar to the human hand, that could accomplish the same things. I cannot see an octopus threading a needle, or doing open heart surgery. I also believe they would have evolved in a very competitive ecology, such that their body would be highly mobile, and capable of making and using weapons.

Is There Any Plausible Reason Why Aliens Would Evolve To Look Like Us?
 
   / If there are aliens, what will they look like? #54  
I kind of hope.they look like the character with the two part head at the intergalactic bar in Star Wars.
 
   / If there are aliens, what will they look like? #56  
For a good long time, the first life on earth used C02. Its the original atmosphere of this planet, just like Mars.

It changed to O2 by bacteria and killed nearly all other live forms on the planet. The biggest extinction event we know of.

So, we know that happened. So other life forms can use C02 and evolve and find O2 to be toxic.

If the first life here was C02 based, and it was a freak event that bacteria would off gas O2, this would be a toxic planet to the majority of life of other worlds. Cause maybe that freak event didn't happen on their world and they stayed CO2 based.

Aliens might not recognize Green as a good color. You will notice that there are two colors of leaves that trees and plants use. One is green and the other is sort of Violet. They are very close as to spectral reflection, and there is speculation that the Sun changed up its light waves, at some point, to favor green plants. Other wise the Earth wouldn't be called "Green." It would be called the "Violet Earth." :)

There are SO many reasons, WE shouldn't be here at all.

To think some something else is out there, and is remotely possible to be able contact us, is just pure fantasy. And a way for people to sell books, and movie/TV scripts. ALL SCI-FI is political........ It always has been.

So there are UFOs. But they are not extraterrestrial aliens.
Plants do not use green light. You can tell because the green light is reflected. If plants used green light it would be absorbed and plants would not appear green.
Eric
 
   / If there are aliens, what will they look like? #57  
"They are very close as to spectral reflection," How would you have phrased it? :)
 
   / If there are aliens, what will they look like? #58  
Plants do not use green light. You can tell because the green light is reflected. If plants used green light it would be absorbed and plants would not appear green.
Eric
Uh, the green is the chloroform which most plants need to create photosynthesis.
 
   / If there are aliens, what will they look like? #60  
There is something called Chlorophyll, used by plants to harness the energy of the sun, and produce O2 in the process.
 

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