MDS525
Wording: Natural sciences and mathematicsAstronomyEarth
Dewmoji: 🔬🔭🌍
0 Information 213,289 ℹ️ | 1 Philosophy and Psychology 224,067 💭 | 2 Religions 555,822 🙏 | 3 Social sciences 1,160,203 👫 | 4 Language 171,144 💬 | 5 Natural sciences and mathematics 374,805 🔬 | 6 Technology 834,661 💡 | 7 The arts 843,008 🎨 | 8 Literature 1,191,472 📚 | 9 History and Geography 694,426 🗺️ |
50 General Science 29,797 🔬 | 51 Mathematics 73,074 ➗ | 52 Astronomy 21,099 🔭 | 53 Physics 38,468 🍎 | 54 Chemistry 25,609 ⚗️ | 55 Earth sciences & geology 31,538 🌎 | 56 Fossils & prehistoric life 8,956 💀 | 57 Life Sciences, Biology 49,482 🧬 | 58 Plants 21,977 🌿 | 59 Zoology 74,805 🐼 |
520 Astronomy 5,117 🔭 | 521 Celestial Mechanics 432 ⚙ | 522 Telescopes and handbooks 1,326 🌃 | 523 Astronomical objects and astrophysics 10,371 🌌 | 524 Maps and Observations [No longer in use] 127 🗺️ | 525 Earth 537 🌍 | 526 Mathematical geography; cartography, map making 1,712 🌐 | 527 Celestial Navigation 121 🗺 | 528 Ephemerides; Nautic almanacs 148 📒 | 529 Chronology 1,208 ⏳ |
525.0 21 | 525.1 Constants 25 | 525.2 Heat; Light 3 | 525.3 Orbits and motions 84 | 525.4 Geographic coordinates | 525.5 Seasons 54 | 525.6 Tides 9 | 525.7 Twilight | 525.8 | 525.9 |
Selected Works under MDS 525 (537)
- The Life and Death of Planet Earth: How the New Science of Astrobiology Charts the Ultimate Fate of Our World by Peter D. Ward
- What If the Earth Had Two Moons?: And Nine Other Thought-Provoking Speculations on the Solar System by Neil F. Comins
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
None
Wording
| 1922 Edition |
| Modern Language |
| Emoji |