October 18, 2015
In all the billions and billions of planets in our home galaxy, humanity happens to find itself on one perfectly suited for life.
Earth isn’t without its hazards though. The planet has seen five mass extinctions throughout its history, due to cataclysmic disasters like giant asteroids and massive volcanic eruptions.
Billionaire entrepreneur Elon Musk is worried about the next apocalypse.
He’s so concerned that he thinks we need to get off Earth and become a multi-planet species as quickly as possible, according to a post written by blogger Tim Urban called “How (and Why) SpaceX Will Colonize Mars.”
Musk’s reasoning is straightforward. Maybe by the time the next giant asteroid heads our way, we’ll have the technology to shield the planet or redirect the space rock. But if it’s something more catastrophic, like a nearby star exploding, we may all get vaporized. Musk says we…
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