Keeping Things in Perspective

Excerpt

Picture an incomprehensible vastness of space, with no beginning, no end, and no center. Vast emptiness, and yet full of discrete foci of matter, galaxies with unimaginable numbers of stars, these galaxies themselves clustered over unthinkable distances and times in what look like bubbles, membranes drawn over emptiness, yet also receding from each other at incredible speeds in an accelerating expansion that can be extrapolated backward 13.8 billion years, at which point, as we have seen, all matter and energy, space and time must have been condensed into a droplet of no dimension whatsoever and nothing outside of it because there is no outside to the universe. …