So as to be able to travel between galaxies, one would have to move faster than light which is impossible according to Einstein. Hence if were to develop inter stellar flight we should be violating Einstein. Is it possible?|||There is debate within the scientific community as to whether or not Einstein was correct about the speed of light limit. However, should it turn out that he was correct, there are still other ways around that limitation. There are theories that suggest that it should be possible to warp space, so that great distances are traveled in a few moments, without surpassing the speed of light. Such methods would include cosmic strings, wormholes and possibly quantum singularities.|||I could just take a realy long time, including more then 1 generation.|||There are presently many theory on how interstallar travel could be accomplished without brake the light barrier. As we have learned, the most excepted facts can be proven wrong in some situations.
Remember the shortest distance between two points is not always a straight line.|||Well, a good fraction of the speed of light (ideally .9999 percent of the speed of light) would do it. Since distance is shortened in the direction of travel at relativistic speeds, at .9999 percent lightspeed you could cross 2.4 million light years of space to the Andromeda Galaxy in 25 of "your" years and take another 25 years to get back to Earth. Of course, all your friends and relations on Earth would have been dead for about 5 million Earth years. There may not be an Earth to come back to, so I wouldn't count on any ticker tape parade or a medal. Kinda takes the incentive out of it. Unless, of course, you were looking for another planet that didn't have car alarms. Then it would be worth the trip.|||well for one. einstein is not going to be right about everything. in the future anything is possible|||Limited interstellar flight to a few nearby stars would not be impossible at speeds less than the speed of light, juts frustratingly slow and difficult. But travel between galaxies would be totally impractical.|||There are other theories out there involving interdimensional travel methods. But here is the thing. When Einstein did his research, he was basing his results on current technology. He was right in saying as far as he could see there was no way because we had no way to build a successful vessel that could hadle that kind of travel. Basically it requires us making a new alloy to withstand the pressure of that type of travel. Although, we are more likely to develop an energy based system through which we can defend the ship from the pressure created. It is more possible that you think really, just a matter of engineering reaching the pinnacle of advancement that technology has.
The other option is to perfect automated piloting systems and cryogenesis. freezing people, loading them on the ship, setting the ship on a course and designing it to haw the people that are frozen at the right time to allow them to behave as normal, though they will miss many years of time, they would be trained to handle the ship properly and perform research properly.
I think that parallel warp dimensions is more likely to happen than that. We just need to design a system by which we can divide the galactic onion skins (just for the sake of the metaphor since the two dimensions are immensly close to one another) and travel between them maintaining a constant bubble around the vessel between the layers.|||You're not factoring in the effects of time dilation. Interstellar travel is well within the realm of possibility when one considers the fact that time will slow down for the astronauts as they accelerate away from the earth. In fact an acceleration of 9.81 meters per second squared for half the distance, followed by an equal deceleration for the remaining distance will allow the astronauts to reach pretty far into the heart of our galaxy. This rate of acceleration is equal to 1g, and will provide "gravity" aboard their spacecraft equal to that on earth.|||in the formula E=MC^2 the amount of energy of a mass is proportionate with relation to the speed of light. As a body approches the speed of light its mass is increased exponentially. this is due to the theory that mass is the measure of stress on the fabric of space and time in relation to its displacement. therefor it is impossible to aquire enough energy to accelerate a body of increasing mass to breach the speed of light. imagine the function 1/x with the y-axis symbolizing the speed of light. however it is possible to disturb the stability of space and time by approaching this speed( this is easier to understand by studying the properties of a black hole.). as the mass of the body increases exponetially it begins to theoretically tear a hole in the fabric of space and time allowing one to enter the realm of nonexistance beyond this fabric, temporarily. by force of nature the body will be expelled back into the realm of existance through the weakest point within this "fabric" the key is to control the re-entry point. OR a Delorean equiped with a flux capacitor at 85MPH|||I doubt the type of travel in which a person could go too and from planet to planet for business, or say vacation will be possible via the kind of space technology most of us think about when we think space travel. To do this it would have to be like a portal or trasporter to the other world, something that defies space %26amp; time.
The first extra-solar travel that humans will do will probably be in some form of suspended animation and it will take many generations to get to the destination. Another possibility is that we will travel on ships designed to support multiple generations of humans during the long flight (think Battle Star Galactica).|||I don't think you'd have to move faster than light, it would just take so long you'd never make it alive. Maybe a big enough ship that can allow people to reproduce and make food and fuel maybe we could make it in several generations
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