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NDC10 440.38
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Nippon Decimal Classification 10th ed.
0 General works
·
1 Philosophy
·
2 General history
·
3 Social sciences
·
4 Natural science
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5 Technology. Engineering
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6 Industry and Commerce
·
7 The arts. Fine arts
·
8 Language
·
9 Literature
40 Natural science
·
41 Mathematics
·
42 Physics
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43 Chemistry
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44 Astronomy. Space science
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45 Earth sciences
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46 Biology
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47 Botany
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48 Zoology
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49 Medical sciences
440 Astronomy. Space science
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441 Theoretical astronomy
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442 Practical astronomy
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443 Fixed stars
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444 Sun
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445 Planets. Satellites
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446 Moon
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447 Comets. Meteors
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448 Earth. Astronomical geography
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449 Horology. Calendars
440.2
·
440.3
·
440.4
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440.7 研究法．指導法．天文学教育
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440.8 叢書．全集．選集
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440.9 未確認飛行物体[UFO]
440.38
Subcategories
This category has the following 2 subcategories, out of 2 total.
天
天文年表
(3 F)
天文略表
(2 F)
