Carl Sagan had a bone-chilling prediction about America in 1995. A passage from his book, The Demon-Haunted World, is now trending online a day after Donald Trump’s presidential inauguration.

Carl Sagan, the astronomer ... But it did seem in principle possible, so I reconfigured the book so that Eleanor Arroway successfully makes it through the center of the galaxy via a wormhole.

This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...