how long would it take to get to the nearest star

Oops.. About 4.5 years traveling at the speed of light. Or would the time seem the same for both???? Good for interplanetary missions, not so good for interstellar ones. powered by an Orion Nuclear Pulse Engine, could make it to the We are thinking too small and too short term. And possibly sending robotic probes after that, befor committing people…just like here. The calculation would be much more complex, but the result would be quite different from the one shown in this article. What would life on Jupiter core be like for us? All told, Dyson’s most conservative estimates placed the total cost of building an Orion craft at 367 billion dollars. https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/, Audio Podcast version: This is despite the fact that it is twice as far away as our nearest stars in the Alpha Centauri system, which would take at least 90 years to reach. But how long might it take them, or another spacecraft, to actually reach another star system? Between existing and theoretical technology, it would take a very long time to get to Proxima Centauri, the nearest star. Maybe we need to learn to live on this planet before we go to another? Like a rocket that relies on a nuclear reactor, this concept offers advantages as far as fuel efficiency and specific impulse are concerned. Light travels about 6 trillion miles in one year which means that star is about 25 trillion miles away. Fans of science fiction are also no doubt familiar with the concept of an Alcubierre (or “Warp”) Drive. Well, some people are already seriously thinking of going way beyond nuclear pulse drives…. I am enthralled by the fact that I am looking at real suns live (minus light year distance of course). We could then beam the information to the receiving station on the exoplanet. And that again would represent huge mass that needs to be accelerated, hence requiring much more additional energy. As far as The time issue goes I believe it is relative. engineering of a starship is well within our reach. In this case the a would be equal to g, which is 10m/s2. (Or about 268,770 AU. Then good old Lorentz contraction will shorten the distance we need to travel considerably… Hmmm – easier suggested than done, me thinks. A team of scientists—Coryn Bailer-Jones of the Max Planck Institute for Astronomy in Switzerland and Davide Farnocchia of NASA’s Jet Propulsion Laboratory—have done the calculations. Besides he sun (you are already here) the nearest star is Proxima Centauri. Exhaust velocities of up to 10,600 km/s are estimated, which is far beyond the speed of conventional rockets. Aside from the fact that you’ve neglected to mention beamed power, it’s okay. They are 4.40 lightyears away. Imagine doing the best telescopic study from this solar system you can, first. I understand gravity would prove a nasty foe to using these monsters, but is there still a possibility of creating one or finding one that could be used for human use? There are obviously undiscovered ‘faster’ travel methods that we will hopefully discover in the near future, but others have decided to discuss the human challenges.

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