MDS520.9409

Definizioni: Scienze naturali e matematicaAstronomiaAstronomyBiography And HistoryEuropeNon impostataNon impostata

Dewmoji: 🔬??????

0 Generalità 216,948 ℹ️	1 Filosofia, Psicologia 229,419 💭	2 Religione 562,779 🙏	3 Scienze sociali 1,169,921 👫	4 Linguaggio 177,109 💬	5 Scienze naturali e matematica 380,441 🔬	6 Tecnologie 844,132 💡	7 Belle arti e arti decorative 857,504 🎨	8 Letteratura 1,201,263 📚	9 Geografia, Storia e discipline ausiliarie 703,933 🗺️
50 Scienze naturali e matematica. Generalità 30,392 🔬	51 Matematica 73,720 ➗	52 Astronomia 21,519 🔭	53 Fisica 38,941 🍎	54 Chimica 25,962 ⚗️	55 Scienza della terra 32,170 🌎	56 Paleontologia 9,345 💀	57 Scienze della vita. Biologia 50,256 🧬	58 Botanica 22,401 🌿	59 Zoologia 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 🔙
520.90 23	520.91 Other Geographic Classifications 23	520.92 Astronomer Biographies 539 🌌	520.93 Ancient World 95	520.94 Europe 43	520.95 Asia 29	520.96 Africa 2	520.97 North America 20	520.98 South America 7	520.99 Pacific 17
520.940 7	520.941 3	520.942 3	520.943 5	520.944	520.945 1	520.946 9	520.947	520.948	520.949 3
520.9400	520.9401	520.9402	520.9403	520.9404	520.9405	520.9406	520.9407	520.9408	520.9409 7
520.94090 6	520.94091	520.94092	520.94093	520.94094	520.94095	520.94096	520.94097	520.94098	520.94099