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re: The “Dark Forest” theory to explain no evidence of extraterrestrial life
Posted on 9/2/25 at 10:15 pm to DarthRebel
Posted on 9/2/25 at 10:15 pm to DarthRebel
quote:
Our earliest messages have only traveled around 105 light years, and those were just local radio signals and not directed messages.
That means the earliest signals have only reached about 14,000 to 28,000 stars.
That’s assuming those signals are even actually detectable at that distance. They certainly are not detectable at that distance with our technology, and it’s likely that they aren’t detectable period due to background noise and the inverse square law.
There’s also the FTL issue. If FTL travel isn’t possible, then it really doesn’t make much sense for an alien civilization to bother trying to subjugate a species thousands/millions of light years away.
For example - at a constant 1g acceleration, a journey from Earth to the center of the Milky Way would only take about 20 years for the passengers due to relativistic effects (time dilation / length contraction). However, 28 thousand years would pass on Earth during their journey. So even with extremely advanced propulsion/energy systems, any non-FTL expedition to distant stars means that your home may not be there when you get back, and at minimum it will be a very different place.
Without FTL, these travel distances only really make sense if it’s a one-way trip. And if you allow for FTL travel, you now have to deal with the consequences and paradoxes of implied time travel. Or you have to throw relativity out the window.
0
Posted on 9/3/25 at 1:17 am to Cosmo
The Star Wars movies were funded by the government to create a “sci fi” story that, in reality, recounted true events. The evidence is hiding in plain sight.
Posted on 9/3/25 at 4:29 am to lsudave1
It has always been so interesting to me to see people stretch their curiosity with so many theories about alien lifeforms and our own origin of existence. Most of these people will scoff at the answers already provided by their own creator/intelligent designer. Many believe in some type of intelligent design but just not the one in their face with at least some measure of validity. Fascinating.
Posted on 9/3/25 at 9:10 am to SantaFe
quote:
An advanced civilization who can travel faster than light, who can replicate energy into any type of matter, who can teleport beings over certain distances , would really not be interested in Earth .
Probably.
But are those things even possible? How would a life form travel faster than light without destroying the life form?
Posted on 9/3/25 at 9:13 am to Cosmo
quote:
So we are really dumb for sending out probes and radio waves trying to talk to aliens.
The actual distance our waves have traveled in 100 years or so is almost nothing.
the 200 light year diameter around earth is a pen prick.
This post was edited on 9/3/25 at 9:22 am
Posted on 9/3/25 at 9:20 am to Teddy Ruxpin
quote:
I sometimes wonder about the possibility of a system existing with two separate planets of intelligent life and how wild that period had to be when one developed the telescope and realized the existence of the other. And the even lower possibility they reached that period at roughly the same time. That would be pretty tense.
Isn't that basically the same as humans in Europe having developed the ability to travel across vast oceans vs aboriginal groups of humans living in North and South America and Australia?
Those early encounters were pretty wild.
Posted on 9/3/25 at 11:18 am to The Pirate King
quote:
I thinks safe to assume one of three things
1) there are no aliens out there
2) aliens exist, but the limits of space travel and distances are such that no aliens are likely to ever be capable of contacting us
3) aliens exist but aren't traditional humanoid beings in the sense we think and don't have the capacity for travel or deep space communication
I would add that we assume that the laws of physics are exact and unbreakable. That no object can travel faster than light, and other such nonsense.
A few hundred years ago people would have burned you at the stake if you said that people would someday fly, or go into outer space, or split the atom.
Our rules for physics only exist to the point that we understand them. If another species has been around for hundreds of millions of years they may have discovered a way around "our rules". To assume anything else is arrogance.
Look how far we have advanced in the last 500 years, and consider where we will be in 500 more (if we dont kill each other before then). Then think where we would be in 100,000 years.
Space is far to large for there to not be life somewhere.
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