{
  "id": 9785402,
  "title": "The Scale of the Universe Great Debate in 1996: Program",
  "url": "https://urgent.news/2026/09/25/the-scale-of-the-universe-great-debate-in-1996-program",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-25T15:59:16.000Z",
  "source": {
    "name": "NASA Science",
    "slug": "nasa-science",
    "url": "https://science.nasa.gov/apod/the-scale-of-the-universe-great-debate-in-1996-program/"
  },
  "original_language": "en",
  "account": "On April 21, 1996, the Smithsonian Institution's National Museum of Natural History hosted the \"Scale of the Universe 1996\" debate, a gathering designed to explore the size, age, and evolution of the cosmos. This second debate in a series marking the 75th anniversary of the 1925 Curtis-Shapley debate aimed to address the ongoing disagreement in the astronomical community regarding the value of the Hubble constant. The debate featured two prominent astronomers, Sidney van den Bergh and Gustav Tammann, who presented their differing views and engaged in a moderated discussion with moderator John Bahcall. The event also included a reception and a talk by Owen Gingerich, which provided historical context on the evolution of the debate over the past century.",
  "summary": "Tammann – van den Bergth Baird AuditoriumThe Smithsonian InstitutionNational Museum of Natural History 21 April 1996 Debate Program: 1 – 4:30 pm; Reception: 4:30 – 5:30 pm Sponsors:The Smithsonian Institution Laboratory for Astrophysics,National Air and Space Museum;NASA Compton Gamma Ray ObservatoryScience Support Center;George Mason University Center for Earth Observingand Space…",
  "key_points": [
    "Smithsonian hosted 1996 Scale of the Universe debate",
    "Debate focused on Hubble constant value controversy",
    "Speakers: Sidney van den Bergh, Gustav Tammann"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}