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Melvil Decimal System: 523.43

Wording: Mathematics and Science > Astronomy > Astronomical objects and astrophysics > Planets > Mars

Dewmoji: πŸ”¬ > 🌌 > 🌌 > 🌍 > ?

0
Information
174,442
ℹ️
1
Philosophy and Psychology
161,809
πŸ’­
2
Religion
423,445
πŸ™πŸ½
3
Social Sciences
881,483
πŸ‘«
4
Language
118,029
πŸ’¬
5
Mathematics and Science
274,025
πŸ”¬
6
Technology
639,380
πŸ’‘
7
Arts and Recreation
651,545
🎨
8
Literature
865,381
πŸ“š
9
Biography and History
551,058
πŸ—Ώ
50
General Science
23,070
πŸ”¬
51
Mathematics
51,324
βž—
52
Astronomy
15,217
🌌
53
Physics
26,339
🍎
54
Chemistry
15,632
βš—
55
Earth sciences & geology
24,738
🌎
56
Fossils & prehistoric life
6,049
πŸ’€
57
Life Sciences
36,781
🐠
58
Botany
15,433
🌿
59
Zoology
59,442
🐼
520
Astronomy
3,677
πŸ”­
521
Celestial Mechanics
247
βš™
522
Telescopes and handbooks
976
πŸŒƒ
523
Astronomical objects and astrophysics
7,670
🌌
524
Maps and Observations [No longer in use]
32
525
Earth
392
🌍
526
Geodesy
1,143
🌐
527
Celestial Navigation
94
πŸ—Ί
528
Ephemerides; Nautic almanacs
138
πŸ“’
529
Chronology
848
⏳
523.0
556
523.1
Universe
1,653
523.2
Solar system
616
523.3
Moon
388
πŸŒ•
523.4
Planets
1,151
🌍
523.5
Meteors and zodiacal light
182
523.6
Comets
211
523.7
Sun
536
β˜€οΈ
523.8
Stars
1,216
523.9
Transits and occultations
76
523.40
4
523.41
Mercury and intramercurial
66
523.42
Venus
68
523.43
Mars
200
523.44
Asteroids
67
523.45
Jupiter
82
523.46
Saturn
63
523.47
Uranus
59
523.48
Neptune and transneptunian
107
523.49
Charts, photographs, etc.
34
523.430
7
523.431523.432523.433523.434523.435523.436523.437523.438523.439

Works under MDS 523.43

1–50 of 184 ( next )titles | covers | shelf
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Wording

1922 Edition
Modern language
Emoji

"Far Friends"

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

MDSScheduleRatioCount
62XTechnology > Engineering7.1106

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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