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Message
re: Is it impossible to travel to another solar system?
Posted on 4/8/14 at 9:45 am to DanTiger
Posted on 4/8/14 at 9:45 am to DanTiger
of all the theories about travel to choose from you bring up parallel dimensions? Come on man.
Worm holes or space folding are legitimate possibilities for traveling great distances. Those are theories that should be discussed when talking about if we will ever travel to other systems.
Worm holes or space folding are legitimate possibilities for traveling great distances. Those are theories that should be discussed when talking about if we will ever travel to other systems.
1
Posted on 4/8/14 at 9:47 am to colorchangintiger
Add to the fact that many other civilizations in the universe could easily have millions upon millions of years of a head start on us with regards to developing their technology.
Posted on 4/8/14 at 9:47 am to DanTiger
quote:
Is it impossible to travel to another solar system?
No. It's not realistic NOW based on current tech...but then we as a species were unable to fly barely 100 years ago. We're in our infancy here.
quote:
The universe is ever expanding and distances are getting longer and not shorter.
Yep.
quote:
Life lasts a finite amount of time and if we are unable to leave this planet and format another in our solar system we will be gone soon. I believe we are lucky to have lasted as long as we have without a huge hunk of rock or other space anamoly destroying us. The odds of sustained life lasting on any planet for an extended period of time are miniscule.
Yep.
quote:
As far as we know light is the fastest thng in the universe, I am not taking into consideration unproven theories like parallel dimensions, and even if we were able to travel at light speed we would not be able to reach another inhabitable planet in anything close to a human lifetime.
Current human lifetime. Again...our lifespans have nearly doubled in the past 100 years.
quote:
With all of that being said I do believe there is likely life on other planets but I believe they are likely limited by the same restraints as we are so it is unlikely they will ever be able to travel here.
Potential huge obstacle...I agree.
quote:
I do accept that there may well be faster forms of travel that we do not yet understand but even if they do what are the odds of us mastering that travel before we go extinct?
No idea...so why be pessimistic about it?
quote:
Space is a dangerous place and life is fleeting anywhere that it exists.
Ok.
quote:
I just don't think any life has the time to discover how to travel to other inhabitable planets even if it exists.
Noted...but that's simply speculation on your part. Humans 500 years ago would have said much the same thing about most of our daily lives. There's no reason to deny the possibility of some future endeavor knowing that we have no clue of the tech our ancestors will have at their disposal. You'd think living when we do we'd know this.
Posted on 4/8/14 at 9:47 am to colorchangintiger
quote:
FTL is going to be a reality.
i don't know about that. if you travel faster than light you violate causality. the alcubierre drive sounds cool and all but doesn't resolve the fact that you could then effectively travel backwards in time.
ETA: the existence of self-consistent time loops would be cool as shite though, and would in fact resolve it i think.
This post was edited on 4/8/14 at 9:49 am
Posted on 4/8/14 at 9:49 am to gorillacoco
When has time travel been proven to be impossible?
Posted on 4/8/14 at 9:50 am to gorillacoco
quote:
do you have any basis for this?
Most scientists believe that the odds of a catastophic impact are excellent. There are numerous other likelihoods, such as an enormous sun flare or huge spike in the Suns temp, that couls happen but most seem to believe that at least one of the many things that could do us in happening are basically a given.
quote:
anything to back this up at all besides a feeling?
This is just my theory based on how long most scientists believe a planet can sustain intelligent life before a catastrophic event. Space being a dangerous place is basically a given.
Posted on 4/8/14 at 9:50 am to GeauxxxTigers23
quote:
The Vulcans said we aren't ready yet.
They are always holding us back.
Posted on 4/8/14 at 9:51 am to DanTiger
regardless of what scientists believe, Earth will die someday and there is no denying that.
Posted on 4/8/14 at 9:51 am to colorchangintiger
quote:
Since something like 99% of all human knowledge was discovered in the last 200 years, imagine what we will be able to do in another 1000 years, 10,000 years, 100,000 years, etc.
Excellent point and one of the reasons I love these discussions.
Posted on 4/8/14 at 9:51 am to Tactical1
quote:
I think that if man ever sets foot on Mars, they will never return to Earth.
why they came back from the moon?
Posted on 4/8/14 at 9:54 am to Spaulding Smails
quote:
I hope it happens...Space travel is probably one of the greatest feats man has achieved during our existence
crazy to think that in 60 years we went from first flight to landing on the moon. Cool that a piece of the first airplane was sent to the moon too.
Posted on 4/8/14 at 9:55 am to DanTiger
quote:
Is it impossible to travel to another solar system?
Yes. But it would not be easy.
Let's say you wanted to travel to the nearest knon solar system to our own in the Alpha Centauri System.
As the article states, with today's technology you'd need about 40,000 years to reach this closest system. That's a long time when you consider that timespan is more than 4 times the entirety of all recorded human history.
Otherwise you're going to have to figure out how to travel at least close to the speed of light as possible which then you'd still be looking at a travel time of around 20-25 or so years*, depending on how close to the speed of light you come.
So what abuot warp speed (faster than the speed of light)? What we we tried that? Sorry Cupcake, it's not gonna happen. Warp drive is pure science fiction. As the article states....
quote:
As an object approaches the speed of light, its mass rises precipitously. If an object tries to travel 186,000 miles per second, its mass becomes infinite, and so does the energy required to move it. For this reason, no normal object can travel as fast or faster than the speed of light.
* - I was guessing we could figure out how to travel a little under a quarter the speed of light which realistically is about as fast as any object other than light itself could ever hope to travel. But even here, how the hell could we keep up that speed for two decades solid?
Posted on 4/8/14 at 9:56 am to SouthOfSouth
quote:
of all the theories about travel to choose from you bring up parallel dimensions? Come on man.
I would love to hear about alternate theories on space travel. I just said I wasn't going to brng those theories up in my OP. I hope there are alternative means of travel but they are all just theoretical at this point.
Posted on 4/8/14 at 9:57 am to Displaced
quote:
What do you think about that idea that time nearly stops when traveling at the speed of light?
There's not much to say other than that it has been experimentally verified.
How, you ask? Take a bunch of atomic nuclei with a known half-life. Use a particle accelerator to speed them up to lightspeed minus a hair. See how long it takes for them to decay and get your new half-life at that speed. Compare and show Einstein was right.
Posted on 4/8/14 at 9:57 am to DanTiger
quote:
Remember that just because we would all like to be able to travel to another solar system does not mean that it is possible
Mom said I can do anything I put my mind to...
/thread
Posted on 4/8/14 at 9:59 am to DanTiger
We can send probes to interstellar space now. We have three probes there already although the power sources will run out long before they get very far.
We won't send humans because it's too damn expensive. Robots, perhaps. But there really isn't much to be gained by it.
Expansion of the universe will not be a factor for many billions of years, we'll all be dead and gone by then.
We won't send humans because it's too damn expensive. Robots, perhaps. But there really isn't much to be gained by it.
Expansion of the universe will not be a factor for many billions of years, we'll all be dead and gone by then.
Posted on 4/8/14 at 9:59 am to Darth_Vader
quote:
I was guessing we could figure out how to travel a little under a quarter the speed of light which realistically is about as fast as any object other than light itself could ever hope to travel. But even here, how the hell could we keep up that speed for two decades solid?
Once the speed is reached in the void of space it will be maintained. A better question is how would it stop.
Posted on 4/8/14 at 10:00 am to Darth_Vader
A warp drive doesn't operate on the principle of traveling faster than the speed of light. A warp drive operates on the principle of detachment from the fabric of space-time and moving freely with no ties to the newtonian based physical laws of the universe.
Posted on 4/8/14 at 10:00 am to Napoleon
quote:
why they came back from the moon?
Mars is not a 3 day trip.
Posted on 4/8/14 at 10:01 am to Darth_Vader
quote:
Warp drive is pure science fiction. As the article states....
why should I trust that article over the others on the Alcubierre drive?
We can't think of warp speed with our current grasp of physics.
This post was edited on 4/8/14 at 10:03 am
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