flyby anomaly in English

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{
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      "expansion": "flyby anomaly",
      "name": "en-noun"
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  "lang_code": "en",
  "pos": "noun",
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          "name": "Physics",
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      "glosses": [
        "The discrepancy between current scientific models and the actual increase in speed observed during a planetary flyby by a spacecraft."
      ],
      "id": "en-flyby_anomaly-en-noun-2RWQWXU-",
      "links": [
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        [
          "flyby",
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      ],
      "raw_glosses": [
        "(physics) The discrepancy between current scientific models and the actual increase in speed observed during a planetary flyby by a spacecraft."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "flyby anomaly"
}

[Show JSON for raw wiktextract data ▼] [Hide JSON for raw wiktextract data ▲]

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "flyby anomaly",
      "name": "en-noun"
    }
  ],
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  "lang_code": "en",
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        "en:Physics"
      ],
      "glosses": [
        "The discrepancy between current scientific models and the actual increase in speed observed during a planetary flyby by a spacecraft."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "discrepancy",
          "discrepancy"
        ],
        [
          "current",
          "current"
        ],
        [
          "scientific model",
          "scientific model"
        ],
        [
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          "actual"
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        [
          "increase",
          "increase"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "observe",
          "observe"
        ],
        [
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          "flyby",
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      "raw_glosses": [
        "(physics) The discrepancy between current scientific models and the actual increase in speed observed during a planetary flyby by a spacecraft."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "flyby anomaly"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-03-25 from the enwiktionary dump dated 2026-03-03 using wiktextract (05c257f and 9d9a410). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.

"flyby anomaly" meaning in English

Noun