JoNova

By Jo Nova

Thanks to Elon, many people are wondering “Why Mars?” and the answer might be “mining the asteroids”

Devon Eriksen has the best answer I’ve seen. He compares the race to space with the industrial revolution. Just as wood, coal and oil set us free of lives of manual labor, a whole new set of materials beckon… if minerals that are rare and expensive on Earth can be mined in the asteroid belt, and processed on Mars, all kinds of new tools and toys may follow the boom.

The Earth, Eriksen says, is like a jar that’s been shaken until most of the heavy stuff settles to the bottom. The heavy metals mostly end up in the Earths core, with the lighter stuff on top. But apart from the distance, asteroids have easy access goods, and are split already into handy size chunks, conveniently parked out in the open, far from gravity wells and not hidden under crustal plates, oceans and magma. The rocks under our feet are so much closer but there is a whole planet in the way. It might be a lot cheaper to get the rare metals we need on asteroids than out […]