Reminders that space really is difficult emphasise just how good the engineering of the Voyagers etc. really is.
NASA's ice-hunting cubesat lunar mission is over, thanks to a stuck valve
NASA has terminated the LunaH-Map mission after a stuck valve on the ice-hunting cubesat prevented it from reaching the Moon's south pole. The briefcase-sized spacecraft was launched on November 16 last year as part of the Artemis I flight, which was testing the agency's Space Launch System rocket and Orion capsule in …