In how many years will travel to other galaxies be possible?

Question: In how many years will travel to other galaxies be possible?
- Keywords:
  galaxy,
  travel
Asked by Riddi5 to Ajay, Kate, Kuntal, Pip, Reka on 17 Nov 2016.
- Reka Nagy answered on 17 Nov 2016:
  
  Probably longer than the amount of time we’ll be alive for – we’re only just able to start planning travel to Mars, which is the nearest planet, so intergalactic travel is a long way off still!

Question: In how many years will travel to other galaxies be possible?