Instead of just looking up into the sky, you’re actually gazing down into the infinite cosmic abyss, with only gravity holding you onto the surface of the earth.
i was not prepared for that
I think about this frequently.
Also the fact that THERE IS NOTHING SOLID overhead once you step outside, except for other small specks of things an unimaginably long way off. That’s just endless forever overhead, with a teeny tiny wisp of atmosphere between you and almost-empty-void and dangerous levels of radiation courtesy of our nearest star.
Hold tight to that little rock-ball you’re standing on.