Haettu sana löytyi näillä lähdekielillä:
| Käännös | Konteksti |
|---|
| Erisnimet |
| 1. | | astronomia |
Määritelmät
Erisnimet
- (astronomy) A hypothetical planet in our solar system.
- (astronomy, obsolete) A theoretical planet that gravitationally perturbs the orbit of Neptune.
- (astronomy, obsolete) A theoretical planet that gravitationally perturbs the orbit of Uranus.
- (astronomy, obsolete) A hypothetical tenth planet, beyond Pluto (Pluto was demoted to minor planet status as a dwarf planet, so there are only eight planets. It had been applied to Eris for a short while.)