Billionaire Moguls Join Musk, Bezos in Race to Outer Space – Bloomberg

All told, they have a net worth of $513 billion. Good thing, because space ventures such as rocket launches can involve stratospheric expenses. Bezos, the world’s second richest man, is funding rocket company Blue Origin to the tune of $1 billion a year. Branson’s Virgin Galactic has spent more than $600 million to help get commercial passenger flights into suborbital space by the end of 2018.

Source: Billionaire Moguls Join Musk, Bezos in Race to Outer Space – Bloomberg