Musk vs. Bezos: The Battle of the Space Billionaires Heats Up

The commercial space business has blossomed over the past decade. Two companies, though, have grabbed the spotlight, emerging as the most ambitious of them all: Blue Origin and SpaceX. At first glance, these two companies look a lot alike. They are both led by billionaires who became wealthy from the Internet: Jeff Bezos of Blue Origin earned his fortune from Amazon.com, and Elon Musk of SpaceX got rich initially from Web-based businesses, notably PayPal.
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