Relativity is 3D printing rockets and raising billions. Will its technology work?

Relativity is 3D printing rockets and raising billions. Will its technology work?

Relativity Space, the rocket startup Ellis co-founded in 2015 after he left Jeff Bezos’ space company, plans to build fairly small rockets that can blast satellites into orbit cheaply and quickly. If that sounds familiar, that’s because it’s the same business plan touted by dozens of rocket startups all over the world.

Relativity stands out in some respects. The company raised about $1.2 billion in just eight months, a level of investment frenzy enjoyed by few in the space industry outside of Elon Musk’s SpaceX. Relativity’s massive factory in Long Beach, California, teems with activity as rocket parts are hauled  

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