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1,117 things · 162 votes cast · add yours
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| # | Thing | Description | Topic | For | Against | Net | |
|---|---|---|---|---|---|---|---|
| 401 |  | Ganymede (moon) | Largest moon of Jupiter | Physical sciences | 0 | 0 | 0 |
| 402 |  | Gas | State of matter | Physical sciences | 0 | 0 | 0 |
| 403 |  | Gauge boson | Elementary particles that are force carriers | Physical sciences | 0 | 0 | 0 |
| 404 |  | Gauge theory | Physical theory with fields invariant under the action of local "gauge" Lie groups | Physical sciences | 0 | 0 | 0 |
| 405 |  | Gel | Highly viscous liquid exhibiting a kind of semi-solid behavior | Physical sciences | 0 | 0 | 0 |
| 406 |  | Gemstone | Piece of mineral crystal used to make jewelry | Physical sciences | 0 | 0 | 0 |
| 407 |  | General relativity | Theory of gravitation as curved spacetime | Physical sciences | 0 | 0 | 0 |
| 408 |  | Geochronology | Science of determining the age of rocks, sediments and fossils | Physical sciences | 0 | 0 | 0 |
| 409 |  | Geodesy | Science of measuring the shape, orientation, and gravity of Earth | Physical sciences | 0 | 0 | 0 |
| 410 |  | Geologic time scale | System that relates geologic strata to time | Physical sciences | 0 | 0 | 0 |
| 411 |  | Geological history of Earth | Physical sciences | 0 | 0 | 0 | |
| 412 |  | Geology | Scientific study of Earth's physical composition | Physical sciences | 0 | 0 | 0 |
| 413 |  | Geomorphology | Scientific study of landforms | Physical sciences | 0 | 0 | 0 |
| 414 |  | Geophysics | Physics of the Earth and its vicinity | Physical sciences | 0 | 0 | 0 |
| 415 |  | Geostationary orbit | Circular orbit above Earth's Equator and following the direction of Earth's rotation | Physical sciences | 0 | 0 | 0 |
| 416 |  | Geosynchronous orbit | Orbit keeping the satellite at a fixed longitude above the equator | Physical sciences | 0 | 0 | 0 |
| 417 |  | Germanium | Chemical element with atomic number 32 (Ge) | Physical sciences | 0 | 0 | 0 |
| 418 |  | Giant planet | Planet much larger than the Earth | Physical sciences | 0 | 0 | 0 |
| 419 |  | Giant star | Type of star, larger and brighter than the Sun | Physical sciences | 0 | 0 | 0 |
| 420 |  | Glacial landform | Landform created by the action of glaciers | Physical sciences | 0 | 0 | 0 |
| 421 |  | Glacier | Persistent body of ice that moves downhill under its own weight | Physical sciences | 0 | 0 | 0 |
| 422 |  | Gloss (optics) | Shiny visual appearance of an object | Physical sciences | 0 | 0 | 0 |
| 423 | | Gluon | Elementary particle that mediates the strong force | Physical sciences | 0 | 0 | 0 |
| 424 |  | Gneiss | Common high-grade metamorphic rock | Physical sciences | 0 | 0 | 0 |
| 425 |  | Gold | Chemical element with atomic number 79 (Au) | Physical sciences | 0 | 0 | 0 |
| 426 |  | Granite | Type of igneous rock | Physical sciences | 0 | 0 | 0 |
| 427 |  | Graphite | Crystalline form of carbon | Physical sciences | 0 | 0 | 0 |
| 428 |  | Grassland | Area with vegetation dominated by grasses | Physical sciences | 0 | 0 | 0 |
| 429 |  | Gravel | Mix of crumbled stones | Physical sciences | 0 | 0 | 0 |
| 430 | Gravitational acceleration | Change in speed due only to gravity | Physical sciences | 0 | 0 | 0 | |
| 431 | Gravitational singularity | Condition in which spacetime itself breaks down | Physical sciences | 0 | 0 | 0 | |
| 432 |  | Gravitational wave | Aspect of relativity in physics | Physical sciences | 0 | 0 | 0 |
| 433 |  | Gravity | Attraction of masses and energy | Physical sciences | 0 | 0 | 0 |
| 434 |  | Gravity assist | Space navigation technique | Physical sciences | 0 | 0 | 0 |
| 435 | Gray (unit) | SI derived unit of absorbed dose of ionizing radiation | Physical sciences | 0 | 0 | 0 | |
| 436 |  | Great Attractor | Region of gravitational attraction in the local universe | Physical sciences | 0 | 0 | 0 |
| 437 |  | Great Oxidation Event | Paleoproterozoic surge in atmospheric oxygen | Physical sciences | 0 | 0 | 0 |
| 438 |  | Green | Additive primary color visible between cyan and yellow | Physical sciences | 0 | 0 | 0 |
| 439 |  | Greenhouse effect | Atmospheric heat retention | Physical sciences | 0 | 0 | 0 |
| 440 |  | Grey | Intermediate color between black and white | Physical sciences | 0 | 0 | 0 |
| 441 |  | Groundwater | Water located beneath the ground surface | Physical sciences | 0 | 0 | 0 |
| 442 |  | Gypsum | Soft calcium sulfate mineral | Physical sciences | 0 | 0 | 0 |
| 443 |  | H II region | Large, low-density interstellar cloud of partially ionized gas | Physical sciences | 0 | 0 | 0 |
| 444 |  | Haber process | Industrial process for ammonia production | Physical sciences | 0 | 0 | 0 |
| 445 |  | Hadley cell | Tropical atmospheric circulation feature | Physical sciences | 0 | 0 | 0 |
| 446 | | Hadron | Composite subatomic particle | Physical sciences | 0 | 0 | 0 |
| 447 | Hafnium | Chemical element with atomic number 72 (Hf) | Physical sciences | 0 | 0 | 0 | |
| 448 |  | Hail | Form of solid precipitation | Physical sciences | 0 | 0 | 0 |
| 449 |  | Halley's Comet | Periodic comet | Physical sciences | 0 | 0 | 0 |
| 450 |  | Haloalkane | Group of chemical compounds derived from alkanes containing one or more halogens | Physical sciences | 0 | 0 | 0 |
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