You want to hear something even more impressive? Some of these points of light aren't even single stars, they are galaxies, meaning gigantic collections of stars so far away we can only see them as a single point. The universe is quite a bit larger than the Underground was.

People have been up in space and have even set foot on the moon. We only have their word and so many pictures that looking back at Earth from up there with thier own eyes is life-changing. Just imagine it - the entire history of everything and everyone, all within the visual scope of a pale blue dot... and people seek to cross the vast distance between all these pale dots someday, despite the obstacles standing before them.