NASA’s biggest rocket test ended early

NASA's biggest rocket test ended early

Four engines on NASA’s largest rocket, the NASA Space Launch System, were undergoing new performance tests Saturday at a Mississippi test facility, but shut down earlier than planned.

The thrust tests were the last of eight tests that make up what the agency calls a “green run,” a series of ground tests aimed at identifying serious structural or engineering problems before the rocket is put on the launch pad. It is the most powerful launch vehicle the space agency has ever built and is expected to take people to the moon in the future…

The SLS engines were expected to burn for about eight minutes, the time interval during which the orbital insertion occurs. It is not yet clear why the engines shut down after one minute. Teams are now evaluating the early engine shutdown data.