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re: It’s going to be real funny when we find out aliens didn’t exist
Posted on 7/27/23 at 11:09 am to ThuperThumpin
Posted on 7/27/23 at 11:09 am to ThuperThumpin
quote:Time for one. There isn't enough of it. The closest galaxy to our own is 25,000 light years away. So, time brings in other factors like energy, life span, nourishment, etc.
Let me ask you, what are the primary limiting factors you see for travel at such vast distances?
Let's move on to our own galaxy. The closest star is 4.2 light years away. Light speed is 671 million miles per hour. It doesn't take much thought to start breaking that down to lesser travel velocities to see just how much time it would take a traveler to get here, and that's from the closest star, assuming there's even a viable planet near that one. The Parker Solar probe reached 330,000 mph. That's really fast. It is also 0.05% the speed of light.
Back to this:
quote:Seems to me, if one can see these, they can list them. No one ever does.
I can't see how anyone can't see the endless possibilities when we look at the vastness and age age of universe.
Posted on 7/27/23 at 11:22 am to PillPusher
quote:
It’s going to be real funny when we find out aliens didn’t exist
What if there was a less advanced civilization than us on Mars and the first 3 expeditions we sent there crashed upon entering their atmosphere or landing? They would think the same thing but doesn’t mean we don’t exist.
But there isn't. The technological difference between traveling from the earth to Mars and interstellar travel is why Late 1890s type thinking about aliens is nonsensical. For intelligent aliens to visit us, you'd need an incredibly technoligically advanced civilization of beings with a genetic makeup that predisposes them to very-long-duration space travel from a planet in a narrow range of sizes and conditions orbiting a star that is at a favorable stage and within a reasonably short distance of the Sun for it to even be plausible.
Posted on 7/27/23 at 11:58 am to fareplay
quote:
aliens didn’t exist
The statistical probability of this is approaching true zero. Whether the UAPs are E.T. visitors or experimental aircraft is the real question. Aliens were the best thing to happen to Skunk Works' secrets
Posted on 7/27/23 at 12:04 pm to BiggerBear
quote:
But there isn't. The technological difference between traveling from the earth to Mars and interstellar travel is why Late 1890s type thinking about aliens is nonsensical. For intelligent aliens to visit us, you'd need an incredibly technoligically advanced civilization of beings with a genetic makeup that predisposes them to very-long-duration space travel from a planet in a narrow range of sizes and conditions orbiting a star that is at a favorable stage and within a reasonably short distance of the Sun for it to even be plausible.
Based on our current understanding of space-time and astrophysics. Nuclear fission wasn't discovered until about 80 years ago. Back to my last post, the near limitless expanse of the universe provides substantial probabilities of a more advanced civilization than ours existing somewhere within said vastness.
Posted on 7/27/23 at 12:42 pm to Jester
quote:
Based on our current understanding of space-time and astrophysics. Nuclear fission wasn't discovered until about 80 years ago. Back to my last post, the near limitless expanse of the universe provides substantial probabilities of a more advanced civilization than ours existing somewhere within said vastness.
Right, which isn't really what is at issue. Life on other planets almost certainly exists. And yet, we just a as certainly have never been visited by any advanced civilization from a plant somewhere else in the universe. BTW, nuclear fission as such doesn't solve any of our problems in trying to get to a nearby star. The tyranny of the rocket equation isn't dependent upon what type of fuel you use and that is just one of the myriad of problems for any being from anywhere attempting interstellar travel, never mind intergalactic travel.
Posted on 7/27/23 at 12:45 pm to fareplay
quote:
aliens
quote:
wasted millions of dollars and politician time to discuss it
And somehow this isnt the worst way theyve wasted our tax money
Posted on 7/27/23 at 12:58 pm to Jester
I hope ya'll don't mind my butting in here, but the science of physics is far from settled regarding revolutionary propulsion systems.
In a word "neutrinos".
If it's true, it will mark the biggest discovery in physics in the past half-century: Elusive, nearly massless subatomic particles called neutrinos appear to travel just faster than light, a team of physicists in Europe reports. If so, the observation would wreck Einstein's theory of special relativity, which demands that nothing can travel faster than light.
Science mad
The US Department of Defense funded a series of studies on advanced aerospace technologies, including warp drives.
The studies came out of a program that also funded research into UFO sightings.
One report describes the possibility of using dark energy to warp space and effectively travel faster than light.
Business Insider
In a word "neutrinos".
If it's true, it will mark the biggest discovery in physics in the past half-century: Elusive, nearly massless subatomic particles called neutrinos appear to travel just faster than light, a team of physicists in Europe reports. If so, the observation would wreck Einstein's theory of special relativity, which demands that nothing can travel faster than light.
Science mad
The US Department of Defense funded a series of studies on advanced aerospace technologies, including warp drives.
The studies came out of a program that also funded research into UFO sightings.
One report describes the possibility of using dark energy to warp space and effectively travel faster than light.
Business Insider
Posted on 7/27/23 at 1:01 pm to LSU Patrick
quote:
Is it funny that we waste billions on climate change?
Is it wasted if it’s properly embezzled?
Posted on 7/27/23 at 4:48 pm to LookSquirrel
quote:
I hope ya'll don't mind my butting in here, but the science of physics is far from settled regarding revolutionary propulsion systems.
Did you miss this qoute from a theoretical physicist regarding the report mentioned by Business Insider: "It's bits and pieces of theoretical physics dressed up as if it has something to do with potentially real-world applications, which it doesn't," Carroll said."
And what you've mentioned fails to solve many of the problems of interstellar space travel. Even if you could get around the rocket equation, you still have to deal with cosmic rays, micro and not so micro meteroids, vacuum, lack of gravity, lack of suitable gravity at your destination, lack of suitable atmosphere at your destination, etc. You would likely have to develop on a planet no more than about 1.5 times Earth's size or you might not be able to get off of to even attempt further space travel.
And the rocket equation is very basic physics. In order to accelerate mass you need fuel. The more mass the more fuel necessary. The more fuel needed, the bigger the rocket necessary to hold the fuel and begetting additional mass, necessitating more fuel, etc. The faster you need to go, the more fuel necessary to accelerate. The more time you need to travel, the more supplies you will need to take with you, necessitating more fuel, bigger rocket and on and on.
And that's just half the problem. Once you are going 50% of the speed of light, you need the same amount of fuel that you have already burned to slow down as you approach your destination.
The Fermi Paradox tends to militate against the practicality if not the possibility of interstellar travel. And if Aliens were actually visiting Earth, you would expect the evidence to get better over time and it just hasn't. All we have are blurry photos, blurry videos and dancing lights when cameras have gotten better and better and more and more common.
Posted on 7/27/23 at 4:50 pm to Geauxld Finger
quote:
Seems
Telltale sign someone is feeling rather than thinking
quote:
there’s a lot more evidence that they do exist vs not these days
No, there isn’t.
Posted on 7/27/23 at 6:23 pm to OweO
quote:
Seriously Kent, I remember awhile back you saying you watched Mayor of Kingstown.. I need a recommendation for something to watch. Got anything for me?
saw this late Chris. Hopefully you still catch my reply.
Honestly no bud. I’m really not into anything right now. Always Sunny new episodes. Watching a new season of Alone. Hasn’t been any drama/thrillers to write home about for me lately.
If you’ve never watched The Killing (2011). It’s an oldie but a good one. Probably one of my favorite dark cop dramas. Well, besides the GOAT: The Wire. MindHunter on Netflix would be #2 for me.
This post was edited on 7/27/23 at 6:25 pm
Posted on 7/27/23 at 6:43 pm to fareplay
quote:
And just wasted millions of dollars
Some real value...
quote:
and politician time
No real value...
Posted on 7/28/23 at 7:46 am to AlxTgr
quote:
Seems to me, if one can see these, they can list them. No one ever does.
A type III civilization (on Kardashev scale) that can harness Planck energy for propulsion . Im thinking life span would no be problem for lesser civilizations if they send synthetic beings, at least with their own galaxy. We are both making certain assumptions. I'm assuming that a civilization that is far advanced time wise from us will develop the physics and tech to make it possible. You are assuming they wont.
Posted on 7/28/23 at 10:49 am to ThuperThumpin
quote:Well but that's not the topic at all.
if they send synthetic beings
Posted on 7/28/23 at 11:50 am to ThuperThumpin
This entire thread has inspired me to reread The 3 Body Problem next week on the beach 

Posted on 7/28/23 at 12:00 pm to fareplay
It’s very clear that some of you will never admit to the possibility no matter how much evidence is presented. But you can’t deny this is very interesting times for the topic to have gained so much traction.
Posted on 7/28/23 at 12:10 pm to Buck Dancer
Maybe they’re not aliens. Maybe this is their planet and we just live on it. Is it possible there’s a more intelligent species at can exists on one planet? If so are they so advanced that they feel it futile to engage with us? Something is definitely flying around in our air space that’s far more advanced. We just have no idea what it is.
Posted on 7/28/23 at 12:28 pm to WB Davis
quote:
Today's congressional whistleblower also says the UFO's could be from another dimension
Because that's how it works. If you can travel the speed of light it would still take 95 billion years to travel 95 billion light years.
So instead of linear travel it's dimensionally done. It saves time and space. Like folding a sheet of paper.
Posted on 7/28/23 at 12:44 pm to saintsfan1977
Military Industrial Complex
Posted on 7/28/23 at 1:00 pm to fareplay
Billions of cameras and recording devices and not a single credible picture of an alien
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