Deep Space & Cosmology

Discuss galaxies, black holes, dark matter, dark energy, the Big Bang, cosmic structure, exoplanets and the large-scale universe.

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2. There were no massive dinosaurs.
  - Peter Eggleston
  - June 26, 2026 at 6:15 PM
  - Peter Eggleston
  - June 26, 2026 at 6:15 PM
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