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NASA is finally ready to test-fire the engines of its SLS megarocket – Space.com
The delayed hot-fire engine test of the rocket’s core booster is set for Jan. 16.

NASA is finally ready to light the engines for its Space Launch System
(SLS) megarocket.
The space agency plans to test-fire the four main engines of its first SLS heavy-lift booster on Saturday (Jan. 16) at the Stennis Space Center in Mississippi. It’s a critical test for NASA and the final step in the agency’s “Green Run” series of tests to ensure the SLS rocket is ready for its first launch, Artemis 1, that will send an uncrewed Orion spacecraft around the moon later this year.
Video:NASA’s…