Inventions & discoveries: U
3 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| Upsilon Andromedae b | 1996 | R. Paul Butler | exoplanet |
| Uranium | 1789 | — | lithophile element |
| Utah monolith | 2016 | Utah Department of Public Safety | unidentified object |