✉news ScienceSpace Policy first seen 2 d ago, last 1 d ago, peak #10
Artemis II Ionosphere Disturbance of 3.7 TECU Causes No GPS Outage
Original: Artemis II Ionosphere Hit: 3.7 TECU, No GPS Outage [2026]
Artemis II, NASA's crewed lunar flyby mission, is drawing attention after measurements showed its launch and ascent produced an ionospheric disturbance of about 3.7 TECU, a sizable total electron content spike in the ionosphere. Despite the disturbance, no GPS outage was recorded, suggesting navigation systems proved more resilient to rocket-induced ionospheric effects than some models predicted. Analysts see the result as useful for planning future lunar missions.
Why now: The successful crewed Artemis II flight and its measured ionospheric effects are current news, with the confirmed GPS reliability reassuring observers about launch-related navigation risks.
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Evidence
- Artemis II Ionosphere Hit: 3.7 TECU, No GPS Outage [2026] · shattered.io
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