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Melvil Decimal System: 523.82

Wording: Mathematics and Science > Astronomy > Astronomical objects and astrophysics > Stars > Heat and light; Photometric observations; Magnitude; Visibility

Dewmoji: πŸ”¬ > 🌌 > 🌌 > ? > ?

0
Information
183,829
ℹ️
1
Philosophy and Psychology
172,351
πŸ’­
2
Religion
443,755
πŸ™πŸ½
3
Social Sciences
952,115
πŸ‘«
4
Language
123,707
πŸ’¬
5
Mathematics and Science
297,296
πŸ”¬
6
Technology
692,375
πŸ’‘
7
Arts and Recreation
669,452
🎨
8
Literature
891,726
πŸ“š
9
Biography and History
567,666
πŸ—Ώ
50
General Science
23,864
πŸ”¬
51
Mathematics
56,683
βž—
52
Astronomy
16,316
🌌
53
Physics
30,054
🍎
54
Chemistry
19,002
βš—
55
Earth sciences & geology
26,281
🌎
56
Fossils & prehistoric life
6,175
πŸ’€
57
Life Sciences
40,856
🐠
58
Botany
16,495
🌿
59
Zoology
61,570
🐼
520
Astronomy
3,939
πŸ”­
521
Celestial Mechanics
281
βš™
522
Telescopes and handbooks
1,061
πŸŒƒ
523
Astronomical objects and astrophysics
8,227
🌌
524
Maps and Observations [No longer in use]
32
525
Earth
415
🌍
526
Geodesy
1,243
🌐
527
Celestial Navigation
98
πŸ—Ί
528
Ephemerides; Nautic almanacs
146
πŸ“’
529
Chronology
874
⏳
523.0
659
523.1
Universe
1,818
523.2
Solar system
649
523.3
Moon
396
πŸŒ•
523.4
Planets
1,183
🌍
523.5
Meteors and zodiacal light
198
523.6
Comets
218
523.7
Sun
605
β˜€οΈ
523.8
Stars
1,314
523.9
Transits and occultations
85
523.80
120
523.81
Stellar parallax, distance
7
523.82
Heat and light; Photometric observations; Magnitude; Visibility
22
523.83
Proper motion, stardrift
3
523.84
Variable, double and multiple stars
105
523.85
Clusters and nebulas
28
523.86
Physcial constitution
2
523.87
Spectrum
12
523.88
130
523.89
Constellations, maps, catalogs, etc.
65
523.820
1
523.821523.822
3
523.823523.824523.825523.826523.827523.828523.829

Works under MDS 523.82

1–18 of 18 titles | covers | shelf

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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