Laws of physics have still not been repealed. E=MC^2
Travel at even a small percentage of light speed would require the expenditure of as much energy as it would take to blow up several Jupiters. A hit by even a minuscule particle of space junk would be fatal.
The distances of space preclude such visits. Who would go exploring on a thousand year one way certainly fatal mission and why? JMHO
Most current thinking on this subject is that the “aliens” are not from distant stars, galaxies, planets at all.
They are here—right in front of our noses—no travel required.
Here is an essay from one of the “insiders” that discusses the topic:
https://thejournalofcosmology.com/Puthoff.pdf
However, it may be possible to FTL travel because there are laws that we do not yet know or understand that allows things like warp bubbles.
You're thinking interstellar when you should be thinking interplanetary. Or even closer.
And be interested in our planet out of millions, and have an obsession with our use of nuclear materials.
Anything written by anonymous authors has always proven to be the most credible source material for definitive research.
Hello, they did the Time Warp dance!
You argue using “today’s” limited knowledge and forget that there may be advanced races that have moved beyond us in the sciences.
Imagine you are a two-dimensional creature. You live, reproduce, and die on what can most accurately be analogized as a sheet of paper.
You look at the far edge of that sheet of paper. It is impossibly far away.
Now imagine one of us humans comes along. We see in three dimensions. We need not travel that impossibly-far distance, all we need to do, is fold that sheet of paper so our start point and end point are now infinitely close to one another.
Now, scale up: We are in three dimensions. Imagine a race that has discovered a fourth dimension. They could simply fold space, and be here in no time at all.
IF you limit your thinking to only three variable expressions of space then yes. BUT the Bible shows us that there is at least one more variable and possibly at le3ast one more of time.We are 3 space variable beings, but the Bible reveals a few with greater variable spatial orientation. [For starters, Daniel 5 and Jesus leaving the rock tomb without rolling the stone away and appearing into a locked and shuttered room without using a door or window.]
Travel at even a small percentage of light speed would require the expenditure of as much energy as it would take to blow up several Jupiters. A hit by even a minuscule particle of space junk would be fatal.
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With our current level of the understanding of physics, yes. But phenomenon such as quantum entanglement shows us there can be an instantaneous connection between entangled particles no mater how far apart those particles are physically. This implies a dimension beyond the observable dimensions which allows instantaneous connection potentially anywhere.
If you were to tell some person from 500 years ago that you could talk instantly to someone on the other side of the globe, they would say it’s impossible.
As Arthur C. Clark said, “Any sufficiently advanced technology is indistinguishable from magic.”
Take a look at Alcubierre’s theory. And the more recent follow-on work by others.
I suspect that there is a way around Einsteins theory....we just haven’t figured it out yet. And given the size of the universe I will also bet a race/races have figured that work around out. Thinking we are the only life in the universe is ludicrous.
Science fiction can often become science fact...e.g. communicators on star trek...cell phones.
No they don't.
Who would go exploring on a thousand year one way certainly fatal mission and why?
Civilizations sufficiently advanced enough to create AI piloted Von Neumann probes. traveling at subliminal speeds. Robots can go into hibernation for a long time. They can be reactivated upon proximity to other stars/planets. They would know which systems to target just as we are discovering planets around other stars that are in the Goldilocks zone. And using either actual frozen DNA from the origin species, or simply having mapped it and able to reassemble it from whatever DNA exists on the target world, you can grow aliens in vats upon arrival to the new world.
A civilization that emerged a million years before ours could have populated half the galaxy by now.
Why? Because. Attempts to understand the psychology of a non-terrestrial species is an exercise in frustration.
Point is, they don't need to fly back and forth to Zeta Reticuli in little saucers. They may already be here, well established in safe underground bases - possibly for centuries - and doing whatever it is that the space bugs do.