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The two new investors will now own just under 10% of the company. SpaceX had previously raised $245.5 million in funding, according to CrunchBase - meaning this new round is more than four times bigger than all its other rounds combined.
Although the company's announcement is brief, earlier reports indicated that Google was particularly interested in a SpaceX investment because of Musk's recently announced ambitions to use satellites to beam low-cost internet around the world.
Musk told BusinessWeek he wants to create a global communications system that would be
"larger than anything that has been talked about to date," that would take at least five years and $10 billion to build.
Google has long had similar ambitions itself. By spreading internet around the world, including to remote regions, it can boost the number of people who have access to its services.
Here's the company's full announcement:
Space Exploration Technologies (SpaceX) has raised a billion dollars in a financing round with two new investors, Google and Fidelity. They join existing investors Founders Fund, Draper Fisher Jurvetson, Valor Equity Partners and Capricorn. Google and Fidelity will collectively own just under 10% of the company.
SpaceX designs, manufactures, and launches the world's most advanced rockets and spacecraft. This funding will be used to support continued innovation in the areas of space transport, reusability, and satellite manufacturing.