Category:NDC10 44 Astronomy. Space science

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Subcategories

This category has the following 10 subcategories, out of 10 total.

NDC10 440 Astronomy. Space science (156 C)
NDC10 441 Theoretical astronomy (2 C)
NDC10 442 Practical astronomy (4 C)
NDC10 443 Fixed stars (14 C)
NDC10 444 Sun (3 C)
NDC10 445 Planets. Satellites (4 C)
NDC10 446 Moon (2 C)
NDC10 447 Comets. Meteors (2 C)
NDC10 448 Earth. Astronomical geography (16 C)
NDC10 449 Horology. Calendars (145 C)

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NDC10 4 Natural science