Category:Unsolved problems in astronomy

Subcategories

This category has the following 4 subcategories, out of 4 total.

D

Dark energy (23 P)
Dark matter (2 C, 68 P)

P

Possible dwarf planets (3 C, 29 P)

S

Sednoids (4 P)

Pages in category "Unsolved problems in astronomy"

The following 42 pages are in this category, out of 42 total. This list may not reflect recent changes.

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