What would human civilization look like on a tidally locked world?

“... Imagine going to live on a planet where the sun never moves in the sky. No sunrise, no sunset.

Several years ago, I became obsessed with tidally locked planets. The notion of a world permanently caught between two extremes—with one half always illuminated, the other always in the dark—took hold of my imagination. I realized that planets like these were the surest bet in the search for Earth-like places that our descendants could settle on.

...

What would human civilization look like on a tidally locked world?

“... Imagine going to live on a planet where the sun never moves in the sky. No sunrise, no sunset.

Several years ago, I became obsessed with tidally locked planets. The notion of a world permanently caught between two extremes—with one half always illuminated, the other always in the dark—took hold of my imagination. I realized that planets like these were the surest bet in the search for Earth-like places that our descendants could settle on.

...