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


closed as primarily opinion-based by Russell Borogove, PearsonArtPhoto Jan 23 '18 at 3:29

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ Not a duplicate, yet very similar objections to the question: space.stackexchange.com/questions/24455/… $\endgroup$ – Russell Borogove Jan 23 '18 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". $\endgroup$ – Russell Borogove Jan 23 '18 at 2:19
  • $\begingroup$ @RussellBorogove its for a tale $\endgroup$ – Olintonatiuh Jan 23 '18 at 2:39
  • 1
    $\begingroup$ Project Icarus has a timeframe of around 80 years icarusinterstellar.org $\endgroup$ – JCRM Jan 23 '18 at 7:04
  • 1
    $\begingroup$ 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. $\endgroup$ – Dan Pichelman Jan 23 '18 at 16:47