MDS 523.102

Wording: Natural sciences & mathematics Astronomy The Solar System Universe Not set Not set

Dewmoji: 🔬🔭🌌🌌??

0 Computer science, information & general works 252,013 ℹ️	1 Philosophy & psychology 270,129 🧠	2 Religion 681,242 🙏	3 Society, government, & culture 1,328,382 👫	4 Language 209,883 💬	5 Natural sciences & mathematics 431,918 🔬	6 Applied science & technology 940,635 💡	7 Arts & recreation 1,031,850 🎨	8 Literature & rhetoric 1,436,736 📚	9 History & geography 837,760 🗺️
50 Science 35,266 🥼	51 Mathematics 82,055 ➗	52 Astronomy 25,356 🔭	53 Physics 44,008 🍎	54 Chemistry 28,260 ⚗️	55 Earth sciences; geology 36,663 🌎	56 Fossils & Dinosaurs 11,038 💀	57 Biology 55,751 🧬	58 Plants (Botany) 26,824 🌿	59 Animals 86,697 🐼
520 Astronomy 6,299 🔭	521 Celestial mechanics 575 ⚙	522 Techniques, procedures, apparatus, equipment, materials 1,635 🌃	523 The Solar System 12,101 🌌	524 [Formerly: Maps, Observations, and Tables] 227	525 Earth (Astronomical geography) 627 🌍	526 Mathematical geography 1,986 🌐	527 Celestial navigation 208 🗺	528 Ephemerides 191 📒	529 Chronology 1,507 ⏳
523.0 Astrophysics 1,079 📡	523.1 Universe 2,865 🌌	523.2 Solar system, planetary systems 1,034 ⭕	523.3 Moon 638 🌕	523.4 Planets, asteroids and trans-Neptunian objects 1,712 🪐	523.5 Meteors and zodiacal light 279 🌠	523.6 Comets 302 ☄️	523.7 Sun 904 ☀️	523.8 Stars 1,957 ✨	523.9 Transits and occultations 109 ⚫
523.10 108	523.11 Space, galaxies, quasars 330	523.12 Cosmogony 55	523.13 Plurality of worlds 21	523.14 Space and its temperature	523.15 Resisting medium 2	523.16 Cosmic dust 1	523.17 Repulsive force	523.18 Expanding Universe Theories 62	523.19 End of the Universe 6
523.100 3	523.101 32	523.102 14	523.103 7	523.104	523.105	523.106	523.107 3	523.108 8	523.109 37
523.1020 1	523.1021 1	523.1022 9	523.1023	523.1024	523.1025	523.1026	523.1027	523.1028 3	523.1029