Here's our list of the seven most essential things to know about Artemis I, beyond the headlines.
It will be the most powerful rocket NASA has ever built
OK, so this might be the one interesting detail about the SLS that's widely known. The SLS used for Artemis I will generate about 15% more thrust than the Saturn V rocket that sent Apollo astronauts to the moon. The Soviet Union did build a more powerful rocket in the 1960s, but all its test flights failed.
SLS will take the crown for most powerful rocket currently flying away from Elon Musk and the SpaceX Falcon Heavy post-launch, but if Musk's Starship ends up living up to its promise, it may retake that title within a few years.
