There’s no place like home—unless you’re Elon Musk. A prototype of SpaceX’s Starship, which may someday send humans to Mars, is, according to Musk, likely to launch soon, possibly within the coming days. But what motivates Musk? Why bother with Mars? A video clip from an interview Musk gave in 2019 seems to sum up Musk’s vision—and everything that’s wrong with it. ....Sagan believed that if we had a photo of ourselves from this distance, it would forever alter our perspective of our place in the cosmos. But there Musk cuts himself off and begins to laugh. He says with...
