Will travel between different solar systems be possible in the future?
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The problem is the great expanse of distance resulting in huge amounts of fuel and time. As others have pointed out, the speed of light is the limiting speed. However, some theories exist about artificially creating wormholes to traverse great distances in a mere fraction of the time. Should scientists ever find a way to make this mode of travel a reality, then travel between systems will become possible.
No.
anything is possible in the future
It is already possible. Light travels between different solar systems.
Absolutely. We are continually pushing the boundaries of science and technology. I believe that solar sails, nuclear drives, and tether technology will eventually reduce costs and become a driving force in our ability to migrate beyond our solar system.
The first step was achieved when man walked on the moon. After that everything is possible, especially for human!
it's already possible, it's just impractical at the moment because the trip would take a very long time, as solar drives improve the time required will decrease and it will be more practical to do
It's possible. If scientists can find a way to travel the speed of light or faster (this is 3 x 10^8 meters per second, or 300,000,000 meters per second) then sure. BUt even with this speed, it takes millions of years to travel from solar system to solar system.
In fact, whatever we see in the sky at night these days is a picture of the past. The light that left those far away galaxies may have taken millions or billions of years to reach us, meaning the sources of those lights (stars or hot gas, whatever) probably arne't there anymore or at least don't look like that anymore.
Possible? Probably. If you are willing to have a spaceship where the inhabitants will live for *generations*, sure.
The problem is that if you want to go fast enough for the time dilation effect to be significant, the energies involved will be prohibitive. For example, If you want to get a gram (1/28 of an ounce) up to the speed of 99% of the speed of light, you would need the equivalent energy of 6 atomic bombs of the type dropped on Hiroshima! Going faster or having more mass only makes the problem worse.
This suggests that the economics of such a thing will be a significant problem.
Likely not. We've been conditioned by decades of breath-taking progress to believe that anything can happen in the future given enough time. But we are also coming up against some pretty immovable natural barriers. One is the universe's speed limit (SoL) - the speed of light. The energy costs of travelling at any substantial faction of the SoL are truly enormous. The closest star is 4.3 light years (LY = the distance travelled by light in one year) - so even if we could accelerate to one tenth the SoL, an enormous speed by any standard, it would take 40 years to get to the nearest star - a human lifetime round trip.
maybe
of course but not in next 2 decade
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