What is the best propulsion for an interstellar ship? with the current technology If we sent a spacecraft in this decade or the next, what would be the best propulsion for that ship? I speak of a ship with twice as much as the space station, with technology from now on in 20 years

  • $\begingroup$ Not a duplicate, yet very similar objections to the question: space.stackexchange.com/questions/24455/… $\endgroup$ Jan 23, 2018 at 2:18
  • $\begingroup$ We are not within 20 years of making an interstellar spacecraft. No interstellar-capable propulsion technology is far enough along to evaluate it as "best". $\endgroup$ Jan 23, 2018 at 2:19
  • $\begingroup$ @RussellBorogove its for a tale $\endgroup$ Jan 23, 2018 at 2:39
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    $\begingroup$ Project Icarus has a timeframe of around 80 years icarusinterstellar.org $\endgroup$
    – user20636
    Jan 23, 2018 at 7:04
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    $\begingroup$ You might want to try asking on Worldbuilding.stackexchange.com, but be sure to read their help and check to see if someone has already asked this first. $\endgroup$ Jan 23, 2018 at 16:47