Many launch providers think reusability is the best way to lower the cost and delay involved in getting to space. SpaceX and Rocket Lab have shown reusable first stages, which take a payload to the edge of space — and now Stoke Space Technologies says it is making a reusable second stage, which will take that payload to orbit and beyond, and has raised a $9.1 million seed round to realize it.
Designing a first stage that can return to Earth safely is no small task, but the fact that it only reaches a certain height and speed, and doesn’t actually climb into orbit at an even higher velocity, means that it is simpler to try. The second stage takes over when the first is spent, accelerating and guiding the payload to its destination orbit, which generally means it will have traveled a lot farther and will be going a lot faster when it tries to come back down.
Stoke thinks that it’s not just possible to create a second stage that’s reusable, but crucial to building the low-cost space economy that will enable decades of growt ..
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