Үлгі:Solar System Infobox/Sun

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The Sun
The Sun
Observation data
Mean distance
from Earth
1.496×1011 m
(9.295×107 miles)
(8.31 min at light speed)
Visual brightness (V) −26.8m
Absolute magnitude 4.8m
Spectral classification G2V
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 2.17×105 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)
Circumference 4.373×109 m
Oblateness 9×10−6
Surface area 6.09×1018 m²
(11,900 Earths)
Volume 1.41×1027 m³
(1,300,000 Earths)
Mass 1.988435×1030 kg
(332,946 Earths)
Average density 1,408 kg/m³
Surface gravity 273.95 m s-2 (27.9 g)
Escape velocity
(from the surface)
617.54 km/s
(55 Earths)
Temperature
of surface
5785 K
Temperature
of corona
5 MK
Temperature
of core
~13.6 MK
Luminosity (Lsol) 3.827×1026 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[1]
286.13°
(19 h 4 min 30 s)
Declination
of North pole
+63.87°
(63°52' North)
Rotation period
(at equator)
25.38 days
(25 d 9 h 7 min 13 s)[1]
Rotation velocity
(at equator)
7174 km/h
Photospheric composition (by mass)
Hydrogen 73.46 %
Helium 24.85 %
Oxygen 0.77 %
Carbon 0.29 %
Iron 0.16 %
Sulphur 0.12 %
Neon 0.12 %
Nitrogen 0.09 %
Silicon 0.07 %
Magnesium 0.05 %
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