New York (CNN Business)Relativity Space, a rocket startup founded by former Blue Origin and SpaceX engineers, just quadrupled its funding by raising $140 million.
CEO Tim Ellis says it's enough cash to fund Relativity through the first launch of its Terran 1 rocket in 2021.
Read MoreRocket startup Relativity Space has yet to fire anything into space. But customers are already writing big checks.
Read MoreThere are about two dozen launch sites along Florida's coast that have been abandoned for years. And the future of this area looked bleak when NASA's Space Shuttle program ended in 2011.
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