Blue Origin, is a private space flight company which was founded by Amazon’s CEO and Founder Jeff Bezos, has recently finished off assembling its first full scale BE-4 rocket engine which is going to be the main engione to propel company’s future orbital rockets. The Next Glenn, company’s next big rocket will use 7 of these BE-4 engines and will be 23 feet in diameter and range from 270 feet to 313 feet tall.
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