{
  "title": "Verne's Moon predictions, graded",
  "description": "Seven items from Verne's two Moon novels, one row each: what he wrote, what we compare it with, the grade, its sources and its limits. Items with no source we could read are not graded.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "The What-If Observatory",
  "page": "https://whatifobservatory.com/old-forecasts/from-the-earth-to-the-moon/",
  "derived_from": [
    "Verne 1865 and 1870, Project Gutenberg 799 and 4717",
    "NARA Prologue 2018",
    "NIST SP 811",
    "Prša et al. 2016",
    "Williams, Turyshev & Boggs",
    "Murphy 2013"
  ],
  "method": "Compiled by The What-If Observatory from the data listed"
}