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Asked by Rowan O'Doherty to Sophie, Sarah, Breandan, Adam, Gabriel on 2 Mar 2018. This question was also asked by The Gingerbread Man.
Question: Could we at any point be able to travel to different galaxies?
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Sophie Williams answered on 2 Mar 2018:
I think it is very far in the future but I think the human race has the possibility to develop the technology yes!
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Breandan Murphy answered on 2 Mar 2018:
Great question! Its a long way so it would take a really really really long time.
NASA calculated that a craft travelling the speed of Voyager would take 749,000,000 years to travel to the nearest galaxy in Canis Major.
The oldest known skeleton records of hominids (which modern humans are descended from) are from 4,400,000 years ago. The journey time would be 170x longer than humans or anything like humans have been present on earth.
If a whole group of people left for Canis Major today at Voyager like speeds, imagine how different they might be when they arrived there!
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anon answered on 2 Mar 2018:
Hello, some people say I’m from a different planet so they certainly think it is possible!
Light travels from different galaxies and we see it at night when we look up. So inter-galactic travel is already possible, but is currently limited to photons. I’d like to think in future we could figure it out for ourselves.
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