MDS520.3
Ordlyd: Natural sciences and mathematicsAstronomyAstronomyDictionaries And Encyclopedias
Dewmoji: ????
0 Information 216,948 ℹ️ | 1 Philosophy and Psychology 229,419 💭 | 2 Religions 562,779 🙏 | 3 Social sciences 1,169,921 👫 | 4 Language 177,109 💬 | 5 Natural sciences and mathematics 380,441 🔬 | 6 Technology 844,132 💡 | 7 The arts 857,504 🎨 | 8 Literature 1,201,263 📚 | 9 History and Geography 703,933 🗺️ |
50 General Science 30,392 🔬 | 51 Mathematics 73,720 ➗ | 52 Astronomy 21,519 🔭 | 53 Physics 38,941 🍎 | 54 Chemistry 25,962 ⚗️ | 55 Earth sciences & geology 32,170 🌎 | 56 Fossils & prehistoric life 9,345 💀 | 57 Life Sciences, Biology 50,256 🧬 | 58 Plants 22,401 🌿 | 59 Zoology 75,735 🐼 |
520 Astronomy 5,303 🔭 | 521 Celestial Mechanics 451 ⚙ | 522 Telescopes and handbooks 1,368 🌃 | 523 Astronomical objects and astrophysics 10,419 🌌 | 524 Maps and Observations [No longer in use] 166 🗺️ | 525 Earth 558 🌍 | 526 Mathematical geography; cartography, map making 1,717 🌐 | 527 Celestial Navigation 155 🗺 | 528 Ephemerides; Nautic almanacs 163 📒 | 529 Chronology 1,219 ⏳ |
520.0 Astronomy 98 | 520.1 Theory And Instruction 67 | 520.2 Miscellany 98 | 520.3 Dictionaries And Encyclopedias 106 | 520.4 3 | 520.5 Periodicals 87 | 520.6 Organizations 12 | 520.7 Education And Research 130 | 520.8 Collections 43 | 520.9 Biography And History 1,053 🔙 |
520.30 | 520.31 | 520.32 4 | 520.33 | 520.34 | 520.35 | 520.36 | 520.37 | 520.38 Astronomy -- Ancient Greece | 520.39 |
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"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
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