{
  "name": "Halley’s 1705 comet forecast, scored claim by claim",
  "desc": "Halley’s 1705 comet forecast, scored claim by claim. Compiled by Hoax and Hindsight, 2026-11-05. License of this compilation: CC BY 4.0. Column sources: claim_summary, original_wording and page = Edmund Halley, A Synopsis of the Astronomy of Comets (London: John Senex, 1705), pp. 21-22 (long s printed as s); grade = assigned by Hoax and Hindsight under the scoring rules at /hindsight-score/, against the evidence in reason; reason and grade_source = George F. Chambers, The Story of the Comets (Oxford, 1909), pp. 104-117, and Simon Newcomb, \"Comet\", Encyclopaedia Britannica, 11th ed., vol. 6 (1910), p. 763, as named in each row; deadline, deadline_basis and observation_test = the scoring rules at /hindsight-score/, applied to the wording in each row. The item list was fixed before grading; previous_grade, revised_on and revision_note record later changes. Facts from sources that do not permit reuse are not included in this file; see the article's Exhibits.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Hoax and Hindsight",
  "url": "https://hoaxandhindsight.com/past-futures/halleys-comet/",
  "from": [
    "Edmund Halley, A Synopsis of the Astronomy of Comets (London: John Senex, 1705), pp. 21-22",
    "George F. Chambers, The Story of the Comets (Oxford: Clarendon Press, 1909)",
    "Simon Newcomb, \"Comet\", Encyclopaedia Britannica, 11th ed., vol. 6 (1910), p. 763"
  ],
  "how": "Compiled by Hoax and Hindsight from the data listed",
  "data_by": [
    "Edmund Halley, A Synopsis of the Astronomy of Comets (1705); George F. Chambers, The Story of the Comets (1909); Encyclopaedia Britannica, 11th ed., vol. 6 (1910), \"Comet\""
  ]
}
