It was a different time then, a different galaxy.

Humans have explored many worlds in a number of different galaxies.

The writers have discussed the possibility that each season represents a voyage of the Destiny through a different galaxy.

Intergalactic travel, or travel between different galaxies, would be even more difficult.

"Into a completely different galaxy," Vale said, clearly still trying to get her mind around the idea.

We have two teams from different galaxies who have never played a significant game against each other.

There is little practical difference between the different galaxies.

Still, both parties remain in different galaxies with their tax proposals.

For the children - and their parents - it must have seemed like they were moving to a different galaxy.

Well, do the different galaxies go round each other?