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Scientific controversies in astronomy.
This category has the following 3 subcategories, out of 3 total.
- Astronomical hypotheses (2 C, 2 P)
- Extraterrestrial life (3 C, 17 P)
- Unsolved problems in astronomy (1 C, 1 P)
Pages in category "Astronomical controversies"
The following 2 pages are in this category, out of 2 total.