SpaceX tests its Starship rocket engines, setting the stage for a launch more powerful than NASA's moon rocket
ASA’s Space Launch System moon rocket officially became the most powerful rocket ever flown when it lifted off in the early morning hours of Nov. 16, putting out a prodigious 4 million kg of thrust. That comfortably beat the old record holder—the Apollo era’s Saturn 5, with its 3.4 million kg of thrust.
Unlike the SLS, of course, Starship hasn’t yet flown, but the engine test is preparatory to a first uncrewed launch of the rocket that could happen later this month—though it is likelier to occur in the first quarter of 2023. Whenever the ship launches, it can’t come too soon. NASA has selected the crewed upper portion of the Starship stack as the landing craft for the Artemis 3 mission, which aims to have American astronauts back on the lunar surface as early as 2026.
Meanwhile, NASA’s Artemis 1 uncrewed mission around the moon—which got its boost thanks to the SLS—has been going precisely according to plan. As the space agency announced, the latest step in that plan took place yesterday at 4:53 p.m. ET, when the spacecraft, currently in lunar orbit, fired its engine for one minute and 45 seconds, putting it on a path for a final close lunar flyby before heading home for a planned Dec. 11 splashdown.
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