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Artemis II Countdown Hiccup Prompts Seal Upgrades Ahead of Next Rehearsal

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Source: Ars Technica
Artemis II Countdown Hiccup Prompts Seal Upgrades Ahead of Next Rehearsal
Photo: Ars Technica
TL;DR

NASA is fixing a hydrogen-fuel leak on the Space Launch System before the Artemis II countdown rehearsal, after a confidence test showed reduced fuel flow and a filter replacement is planned. The safety limit for hydrogen concentrations, raised to 16% from 4% since Artemis I, remains in effect based on test data. Artemis III will seek cryoproofing and redesigned propellant-loading interfaces; if Artemis II misses March, additional launch opportunities exist in April and May.

Topics:sciencespace#artemis-ii#hydrogen-leak#space#space-launch-system#tail-service-mast-umbilical#wet-dress-rehearsal
Share this article
  1. NASA has a new problem to fix before the next Artemis II countdown test  Ars Technica
  2. Following Confidence Test, NASA Continues Artemis II Data Review  NASA (.gov)
  3. Why are the launch windows for NASA's Artemis 2 moon mission so short?  Space
  4. NASA loading liquid hydrogen aboard Artemis 2 rocket in unannounced test  Spaceflight Now
  5. Artemis II speech calls moon 'our proving ground' for deep-space missions  Florida Today

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