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Old 04-21-2020, 07:01 PM
 
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I think they would have a 'sense' we have not developed. And whatever that sense is...it could maybe help our planet. Ohh I know what it is....it's common sense! Yes that's the one we are missing

Plus they probably don't consume foods as it's hard to travel light years and keep em fresh .
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Old 04-21-2020, 07:09 PM
 
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Originally Posted by Zymer View Post
Do they want to take whatever natural resources are available, without regard to whatever life there might be? Do they require/want humans to participate in the extraction of resources (slave labor)? Do they want to use the existing life as a food source?
If we are talking about some realistic reason that will not be it. Anything available here is available everywhere. Such a civilization will have also mastered fusion. If they need gold or anything else they don't really need to collect it, they just fire up the gold making machine.
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Old 04-21-2020, 07:22 PM
 
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Originally Posted by zitsky View Post
(I promise I am not an alien looking for ideas.)
Good to know. Wait...

Nice try, Mr. Alien!
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Old 04-21-2020, 07:28 PM
 
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Originally Posted by thecoalman View Post
If we are talking about some realistic reason that will not be it. Anything available here is available everywhere. Such a civilization will have also mastered fusion. If they need gold or anything else they don't really need to collect it, they just fire up the gold making machine.
Don't recall the author, but there was at least one short story where aliens simply liked Earth. The color of the sky is nice, the mountains have that certain jaggedness, the oceans have - character. It was just that the smarter apes were aggressive, territorial pests.
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Old 04-21-2020, 07:38 PM
 
Location: Southwest
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Unless we can somehow trick them like the character played by Veronica Cartwright (sp?) in Invasion of the Bodysnatchers, we're toast.
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Old 04-21-2020, 07:38 PM
 
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Originally Posted by Dane_in_LA View Post
Don't recall the author, but there was at least one short story where aliens simply liked Earth. The color of the sky is nice, the mountains have that certain jaggedness, the oceans have - character. It was just that the smarter apes were aggressive, territorial pests.

This is something I have considered in the past. What if life was abundant across the Universe and in their eyes we were no different than a pest like ants to be wiped away with a giant can of Galactic Raid.

Similarly one of the creepiest things I ever saw concerning this was a movie trailer decades ago. Forget the name of the movie but they show the round edge of this object approaching earth and obviously much larger. They expand the frame and it keeps getting bigger, then it blinks.... It's an eyeball...what a great trailer.
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Old 04-21-2020, 08:14 PM
 
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I picture it something akin to the Andromeda Strain.

https://www.imdb.com/title/tt0066769/

Or the novel published in 1969.
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Old 04-21-2020, 08:15 PM
 
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They would probably play games with us, such as outcomes. Negotiate time, plant seeds, observe human behavior. Fast forward to our own demise if they require our rock. Perhaps they could read earth like a book and pick the time period that suits them.
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Old 04-22-2020, 01:44 AM
 
Location: Northern Maine
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Originally Posted by curiousgeorge5 View Post
Unless we can somehow trick them like the character played by Veronica Cartwright (sp?) in Invasion of the Bodysnatchers, we're toast.
If we discover aliens taste like scallops in bacon, they're finished.
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Old 04-22-2020, 05:00 AM
 
Location: annandale, va & slidell, la
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Originally Posted by Jorge ChemE View Post
Hollywood movies... Showing us giant flying saucers UFO's coming into our atmosphere positioning in our most important cities around the world, where typically the US president and a hero who carries the 50% of the responsibilities to save humanity defeat aliens who decided to attack us and whose technology is thousands of years above ours. A virus loaded from Windows 95 OS canceling alien's defense systems and so on. But those are movies, made to entertain us.

However, is time to put our feet on the ground. I know an alien invasion is highly unlikely, if not almost impossible. Who cares about us outside this little planet? Are we enough important to justify wasting tons of resources to destroy us and/or our planet? Aliens do exist? Aliens are close to us?

But take this as a game. Let's suposse aliens do exist, they can reach us (our planet) and they are interested in attacking us whatever their reason would be. How would you imagine an alien invasion? I am interested in your reasoning, with scientific and technology knowledge. I have my opinion, based on articles and other sources but I would like to read yours.

PS. I know this would be Science Fiction rather than Science but I couldn't find a Science Fiction section. Excuse me if I posted this in the wrong place.
Any "aliens" would know not to enter our atmosphere, as even a mild pathogen would kill them.
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