NASA to replace seal on leaky Artemis 1 moon rocket at the launch pad


NASA's Artemis 1 moon rocket is staying at the launch pad, at least for now. Artemis 1 will use NASA's new Space Launch System (SLS) megarocket to send an uncrewed Orion capsule to lunar orbit and back. NASA attempted to launch the epic mission on Saturday (Sept. 3) but stood down when it couldn't troubleshoot a leak of supercold liquid hydrogen (LH2) propellant in time for liftoff. The leak occ...

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