MDS520

Ordlyd: Natural sciences and mathematicsAstronomyAstronomy

Dewmoji: ???

0
Information
216,948
ℹ️
1
Philosophy and Psychology
229,419
💭
2
Religions
562,779
🙏
3
Social sciences
1,169,921
👫
4
Language
177,109
💬
5
Natural sciences and mathematics
380,441
🔬
6
Technology
844,132
💡
7
The arts
857,504
🎨
8
Literature
1,201,263
📚
9
History and Geography
703,933
🗺️
50
General Science
30,392
🔬
51
Mathematics
73,720
52
Astronomy
21,519
🔭
53
Physics
38,941
🍎
54
Chemistry
25,962
⚗️
55
Earth sciences & geology
32,170
🌎
56
Fossils & prehistoric life
9,345
💀
57
Life Sciences, Biology
50,256
🧬
58
Plants
22,401
🌿
59
Zoology
75,735
🐼
520
Astronomy
5,303
🔭
521
Celestial Mechanics
451
522
Telescopes and handbooks
1,368
🌃
523
Astronomical objects and astrophysics
10,419
🌌
524
Maps and Observations [No longer in use]
166
🗺️
525
Earth
558
🌍
526
Mathematical geography; cartography, map making
1,717
🌐
527
Celestial Navigation
155
🗺
528
Ephemerides; Nautic almanacs
163
📒
529
Chronology
1,219
520.0
Astronomy
98
520.1
Theory And Instruction
67
520.2
Miscellany
98
520.3
Dictionaries And Encyclopedias
106
520.4
3
520.5
Periodicals
87
520.6
Organizations
12
520.7
Education And Research
130
520.8
Collections
43
520.9
Biography And History
1,053
🔙

Selected Works under MDS 520 (5,303)

Related Tags

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"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

MDS
Schedule
629.4
TechnologyEngineering and allied operationsOther BranchesAstronauts and Space Travel
629
TechnologyEngineering and allied operationsOther Branches
93X
History and GeographyAncient World
612
TechnologyMedicine and healthHuman physiology

Ordlyd

1922 udgaven
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System or on the 1922 edition of Dewey. Language and concepts may be modernized. Do not use an in-copyright source.
Emoji
A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.