Which would leave us in this world's equivalent to space, if we stick to technology we know.

[Intrasolar travel is something V knows of, even if it's never something they've done and that can't be done on the Earth as they know it. Interdimensional, which they can't rule out, they really don't have the first clue on accomplishing.]

We can't expect someone to reverse-engineer a solution for us, though, so there is that.