Neptune
Neptune ita ce duniya ta takwas daga Rana kuma mafi nisa da aka sani a cikin tsarin hasken rana. Ita ce duniya ta huɗu mafi girma a cikin Tsarin Rana ta hanyar diamita, duniya mafi girma ta uku, kuma mafi girman ƙaton duniya . Yana da girma sau 17 na Duniya, (ya ninka duniya day 17 a girma) kuma dan kadan ya fi girma fiye da Uranus na kusa.[1] Neptune ya fi Uranus girma kuma ya fi ƙanƙanta da jiki saboda girmansa yana haifar da matsewar yanayi. Ana kiransa ɗaya daga cikin manyan taurarin ƙanƙara guda biyu na tsarin hasken rana (ɗayan kuma Uranus). Da yake an haɗa shi da iskar gas da ruwaye, ba shi da ingantaccen “sabo mai ƙarfi”. Duniya tana kewaya rana sau ɗaya a kowace 164.8 shekaru a matsakaicin nisa na 30.1 astronomical units (4.5×109 km; 2.8×109 mi) . Ana kiran ta da sunan gunkin Romawa na teku kuma yana da alamar astronomical.svg){kind=small}
</img> , wakiltar Neptune's trident .
| Neptune | |
|---|---|
  | |
Observation (en)  | |
| Distance from Earth (en) | 4,300,000,000 km da 4,600,000,000 km |
| Apparent magnitude (en) | 7.67 da 8 |
| Parent astronomical body (en) | rana |
| Discoverer (en) |
Urbain Le Verrier (en) , John Couch Adams, Johann Gottfried Galle (mul) da Heinrich Louis d'Arrest (mul) |
| Time of discovery or invention (en) | Satumba 23, 1846 |
| Wurin binciken sararin samaniya |
Berlin Observatory (en) |
| Suna saboda |
Neptune (en) |
| Orbit (en) | |
| Apoapsis (en) | 4,537,039,826 km |
| Periapsis (en) | 4,459,753,056 km |
| Semi-major axis of an orbit (en) |
4,503,443,661 km 30.06992276 AU |
| Orbital eccentricity (en) | 0.009456 |
| Orbital period (en) | 164.8 shekara da 60,193.2 Rana |
| Synodic period (en) | 367.49 Rana |
| Mean anomaly (en) | 256.228 ° |
| Orbital inclination (en) |
1.77004347 ° 6.43 ° 0.72 ° |
| Longitude of the ascending node (en) | 131.78422574 ° |
| Argument of periapsis (en) | 44.96476227 ° |
| Physics (en) | |
| Radius (en) | 24,622 km |
| Diameter (en) | 49,528 km |
| Flatness (en) | 0.0171 |
| Yawan fili | 7,618,300,000 km² |
| Volume (en) | 62,540,000,000,000 km³ |
| Nauyi | 102,430 Yg |
| Mass density (en) | 1,638 g/cm³ |
| Effective temperature (en) | 72 K |
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Manazarta[lower-alpha 1]
gyara sashe- ↑ A second symbol, an ‘LV’ monogram
for 'Le Verrier', analogous to the ‘H’ monogram 
for Uranus. It was never much used outside of France and is now archaic.
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