Bezos to the Moon: Blue Origin fires up BE-7 engine to be used in human lunar mission

Also: Orion challenges and a quarter century since SOHO's launch

In Brief As the Chinese Chang'e-5 mission sent its precious payload of lunar dirt into space, Jeff Bezos's Blue Origin kicked off a fourth thrust chamber test series of the BE-7 engine, which will power the National Team Human Landing System (HLS) for NASA's Artemis program....