MDS525

Wording: Natural sciences and mathematicsAstronomyEarth

Dewmoji: πŸ”¬πŸ”­πŸŒ

0
Information
213,289
ℹ️
1
Philosophy and Psychology
224,067
πŸ’­
2
Religions
555,822
πŸ™
3
Social sciences
1,160,203
πŸ‘«
4
Language
171,144
πŸ’¬
5
Natural sciences and mathematics
374,805
πŸ”¬
6
Technology
834,661
πŸ’‘
7
The arts
843,008
🎨
8
Literature
1,191,472
πŸ“š
9
History and Geography
694,426
πŸ—ΊοΈ
50
General Science
29,797
πŸ”¬
51
Mathematics
73,074
βž—
52
Astronomy
21,099
πŸ”­
53
Physics
38,468
🍎
54
Chemistry
25,609
βš—οΈ
55
Earth sciences & geology
31,538
🌎
56
Fossils & prehistoric life
8,956
πŸ’€
57
Life Sciences, Biology
49,482
🧬
58
Plants
21,977
🌿
59
Zoology
74,805
🐼
520
Astronomy
5,117
πŸ”­
521
Celestial Mechanics
432
βš™
522
Telescopes and handbooks
1,326
πŸŒƒ
523
Astronomical objects and astrophysics
10,371
🌌
524
Maps and Observations [No longer in use]
127
πŸ—ΊοΈ
525
Earth
537
🌍
526
Mathematical geography; cartography, map making
1,712
🌐
527
Celestial Navigation
121
πŸ—Ί
528
Ephemerides; Nautic almanacs
148
πŸ“’
529
Chronology
1,208
⏳
525.0
21
525.1
Constants
25
525.2
Heat; Light
3
525.3
Orbits and motions
84
525.4
Geographic coordinates
525.5
Seasons
54
525.6
Tides
9
525.7
Twilight
525.8
525.9

Selected Works under MDS 525 (537)

Related Tags

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"Far Friends"

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

None

Wording

1922 Edition
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.