San
San istap sta bilong yumi.
I gat etpela planet i go nabaut em.
 | |
| Observation data | |
|---|---|
| Mean distance from Earth | 1.496 × 1011 m 8.31 min at light speed |
| Visual brightness (V) | −26.74m |
| Absolute magnitude | 4.83m |
| Spectral classification | G2V |
| Metallicity | Z = 0.0177 |
| Angular size | 31.6′ - 32.7′ |
| Adjectives | solar |
| Orbital characteristics | |
| Mean distance from Milky Way core | ~2.5 × 1020 m 26 000 light-years |
| Galactic period | (2.25–2.50) × 108 a |
| Velocity | ~2.20 × 105 m/s (orbit around the center of the Galaxy) ~2 × 104 m/s (relative to average velocity of other stars in stellar neighborhood) |
| Physical characteristics | |
| Mean diameter | 1.392 × 109 m 109 Earths |
| Equatorial radius | 6.955 × 108 m 109 × Earth |
| Equatorial circumference | 4.379 × 109 m 109 × Earth |
| Flattening | 9 × 10−6 |
| Surface area | 6.0877 × 1018 m² 11 990 × Earth |
| Volume | 1.412 × 1027 m³ 1 300 000 Earths |
| Mass | 1.9891 × 1030 kg 332 946 Earths |
| Average density | 1.408 × 103 kg/m³ |
| Different Densities | Core: 1.5 × 105 kg/m³ lower Photosphere: 2 × 10-4 kg/m³ lower Cromosphere: 5 × 10-6 kg/m³ Avg. Corona: 10 × 10-12kg/m³ |
| Equatorial surface gravity | 274.0 m/s2 27.94 g 28 × Earth surface gravity |
| Escape velocity (from the surface) | 617.7 km/s 55 × Earth |
| Temperature of surface (effective) | 5 778 K |
| Temperature of corona | ~5 × 106 K |
| Temperature of core | ~15.7 × 106 K |
| Luminosity (Lsol) | 3.846 × 1026 W ~3.75 × 1028 lm ~98 lm/W efficacy |
| Mean Intensity (Isol) | 2.009 × 107 W m-2 sr-1 |
| Rotation characteristics | |
| Obliquity | 7.25° (to the ecliptic) 67.23° (to the galactic plane) |
| Right ascension of North pole | 286.13° 19 h 4 min 30 s |
| Declination of North pole | +63.87° 63°52' North |
| Sidereal Rotation period (at 16° latitude) | 25.38 days 25 d 9 h 7 min 13 s |
| (at equator) | 25.05 days |
| (at poles) | 34.3 days |
| Rotation velocity (at equator) | 7.189 × 103 km/h |
| Photospheric composition (by mass) | |
| Hydrogen | 73.46 % |
| Helium | 24.85 % |
| Oxygen | 0.77 % |
| Carbon | 0.29 % |
| Iron | 0.16 % |
| Sulfur | 0.12 % |
| Neon | 0.12 % |
| Nitrogen | 0.09 % |
| Silicon | 0.07 % |
| Magnesium | 0.05 % |
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Ol referens
(Dispela pes San em i liklik tumas. Yu inap raitim moa sapos yu laik halivim Wiki Tok Pisin. Hau?)
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