MDS523.4
Wording: Natural sciences and mathematicsAstronomyAstronomical objects and astrophysicsPlanets, asteroids and trans-Neptunian objects
Dewmoji: 🔬🔭🌌?
0 Information 209,734 ℹ️ | 1 Philosophy and Psychology 219,479 💭 | 2 Religions 550,114 🙏 | 3 Social sciences 1,140,292 👫 | 4 Language 167,040 💬 | 5 Natural sciences and mathematics 365,981 🔬 | 6 Technology and Application of Knowledge 817,412 💡 | 7 The arts 827,389 🎨 | 8 Literature 1,168,255 📚 | 9 History and Geography 684,032 🗺️ |
50 General Science 29,213 🔬 | 51 Mathematics 71,697 ➗ | 52 Astronomy 20,604 🔭 | 53 Physics 37,622 🍎 | 54 Chemistry 24,951 ⚗️ | 55 Earth sciences & geology 30,889 🌎 | 56 Fossils & prehistoric life 8,640 💀 | 57 Life Sciences, Biology 48,399 🧬 | 58 Plants 21,312 🌿 | 59 Zoology 72,654 🐼 |
520 Astronomy 4,986 🔭 | 521 Celestial Mechanics 427 ⚙ | 522 Telescopes and handbooks 1,295 🌃 | 523 Astronomical objects and astrophysics 10,135 🌌 | 524 Maps and Observations [No longer in use] 121 🗺️ | 525 Earth 509 🌍 | 526 Mathematical geography; cartography, map making 1,680 🌐 | 527 Celestial Navigation 122 🗺 | 528 Ephemerides; Nautic almanacs 140 📒 | 529 Chronology 1,189 ⏳ |
523.0 Astrophysics 905 | 523.1 Universe 2,391 | 523.2 Solar system, planetary systems 882 | 523.3 Moon 540 🌕 | 523.4 Planets, asteroids and trans-Neptunian objects 1,507 | 523.5 Meteors and zodiacal light 230 | 523.6 Comets 252 ☄️ | 523.7 Sun 750 ☀️ | 523.8 Stars 1,577 ✨ | 523.9 Transits and occultations 85 |
523.40 10 | 523.41 Mercury and intramercurial 79 ☿️ | 523.42 Venus 74 ♀ | 523.43 Mars 267 ♂ | 523.44 Asteroids 92 | 523.45 Jupiter 97 ♃ | 523.46 Saturn 83 ♄ | 523.47 Uranus 68 ⛢ | 523.48 Neptune 100 ♆ | 523.49 Trans-Neptunian objects; Kuiper belt; Pluto 49 |
Selected Works under MDS 523.4 (1,507)
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
- MDS
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Wording
| 1922 Edition |
| Modern Language |
| Emoji |