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  "path": "/news/hard-numbers/hard-number-lunar-sphere-of-influence",
  "publishedAt": "2026-04-06T15:44:09.000Z",
  "site": "https://www.gzeromedia.com",
  "tags": [
    "Astronauts",
    "Moon",
    "Nasa",
    "entered",
    "slingshot"
  ],
  "textContent": "\n\n\n\nThe astronauts of Artemis II – NASA’s **Reid Wiseman** ,**Victor Glover,** and **Christina Koch** , along with **Jeremy Hansen** of the Canadian Space Agency – entered the moon’s sphere of influence today. It is a key milestone in their 10-day mission: Once inside it, the moon’s gravity becomes stronger than Earth’s, helping “slingshot” the crew back home.",
  "title": "Hard number: Lunar sphere of influence"
}