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Melvil Decimal System: 523.51

Wording: Mathematics and Science > Astronomy > Astronomical objects and astrophysics > Meteors and zodiacal light > Meteorites

Dewmoji: đŸ”Ŧ > 🌌 > 🌌 > ? > ?

0
Information
174,769
ℹī¸
1
Philosophy and Psychology
162,176
💭
2
Religion
425,946
🙏đŸŊ
3
Social Sciences
883,500
đŸ‘Ģ
4
Language
118,384
đŸ’Ŧ
5
Mathematics and Science
274,667
đŸ”Ŧ
6
Technology
640,759
💡
7
Arts and Recreation
653,832
🎨
8
Literature
867,919
📚
9
Biography and History
552,874
đŸ—ŋ
50
General Science
23,126
đŸ”Ŧ
51
Mathematics
51,420
➗
52
Astronomy
15,262
🌌
53
Physics
26,422
🍎
54
Chemistry
15,666
⚗
55
Earth sciences & geology
24,788
🌎
56
Fossils & prehistoric life
6,062
💀
57
Life Sciences
36,844
🐠
58
Botany
15,500
đŸŒŋ
59
Zoology
59,577
đŸŧ
520
Astronomy
3,692
🔭
521
Celestial Mechanics
247
⚙
522
Telescopes and handbooks
980
🌃
523
Astronomical objects and astrophysics
7,690
🌌
524
Maps and Observations [No longer in use]
32
525
Earth
392
🌍
526
Geodesy
1,147
🌐
527
Celestial Navigation
94
đŸ—ē
528
Ephemerides; Nautic almanacs
138
📒
529
Chronology
850
âŗ
523.0
555
523.1
Universe
1,660
523.2
Solar system
617
523.3
Moon
389
🌕
523.4
Planets
1,151
🌍
523.5
Meteors and zodiacal light
182
523.6
Comets
211
523.7
Sun
538
☀ī¸
523.8
Stars
1,219
523.9
Transits and occultations
76
523.50
2
523.51
Meteorites
69
523.52
Fireballs
2
523.53
Meteoric showers, radiant points, etc.
2
523.54
Systems of meteors
523.55523.56
Connection of comets and meteors
523.57
Spectrum
523.58
Height of atmosphere from observation
9
523.59
Zodiacal light; Aurora (borealis and australis)
1
523.510
9
523.511523.512523.513523.514523.515523.516523.517523.518523.519

Works under MDS 523.51

1–50 of 65 ( 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.

None

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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