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  "path": "/space-systems/nasa-experimental-ion-engine-passes-test/",
  "publishedAt": "2026-05-13T00:07:59.000Z",
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  "tags": [
    "Continue Reading",
    "Space Systems",
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  "textContent": "The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly cosmic radiation, while isolation gnaws at their minds and microgravity erodes their muscles.\n\nContinue Reading\n\n**Category:** Space Systems, Engineering\n\n**Tags:** NASA, Ion propulsion, Mars, JPL",
  "title": "NASA's experimental ion engine passes major test, bringing Mars mission closer"
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