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The Sun Sun symbol.svg
The Sun
Observation data
Mean distance
from Earth
1.496 × 1011 m
8.31 min at light speed
Visual brightness (V) −26.74m [1]
Absolute magnitude 4.83m [1]
Spectral classification G2V
Metallicity Z = 0.0177[2]
Angular size 31.6′ - 32.7′ [3]
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 [1]
109 Earths
Equatorial radius 6.955 × 108 m [4]
109 × Earth[4]
Equatorial circumference 4.379 × 109 m [4]
109 × Earth[4]
Flattening 9 × 10−6
Surface area 6.0877 × 1018 m² [4]
11 990 × Earth[4]
Volume 1.412 × 1027 m³ [4]
1 300 000 Earths
Mass 1.9891  × 1030 kg[1]
332 946 Earths[4]
Average density 1.408  × 103 kg/m³[4][1][5]
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[6]
Equatorial surface gravity 274.0 m/s2 [1]
27.94 g
28 × Earth surface gravity[4]
Escape velocity
(from the surface)
617.7 km/s [4]
55 × Earth[4]
Temperature
of surface (effective)
5 778 K [1]
Temperature
of corona
~5 × 106 K
Temperature
of core
~15.7 × 106 K [1]
Luminosity (Lsol) 3.846 × 1026 W [1]
~3.75 × 1028 lm
~98 lm/W efficacy
Mean Intensity (Isol) 2.009 × 107 W m-2 sr-1
Rotation characteristics
Obliquity 7.25° [1]
(to the ecliptic)
67.23°
(to the galactic plane)
Right ascension
of North pole[7]
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 [1]
25 d 9 h 7 min 13 s[7]
(at equator) 25.05 days [1]
(at poles) 34.3 days [1]
Rotation velocity
(at equator)
7.189  × 103 km/h[4]
Photospheric composition (by mass)
Hydrogen 73.46 %[8]
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 %
Dispela bokis: lukim  toktok  senisim

San istap sta bilong yumi. I gat etpela planet i go nabaut em.

Ol referens[senisim | edit source]

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 NASA "Sun Fact Sheet"
  2. Montalban, Miglio, Noels, Grevesse, DiMauro. Solar model with CNO revised abundances. Retrieved on November 30, 2007.
  3. National Aeronautics and Space Administration. Eclipse 99 - Frequently Asked Questions. Retrieved on October 16, 2007.
  4. 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 Solar System Exploration: Planets: Sun: Facts & Figures. NASA. Archived from the original on 2008-01-02.
  5. The Physics Factbook™ Edited by Glenn Elert -- Written by his students.
  6. University of Michigan, Astronomy Department.
  7. 7.0 7.1 Seidelmann, P. K.; V. K. Abalakin; M. Bursa; M. E. Davies; C. de Bergh; J. H. Lieske; J. Oberst; J. L. Simon; E. M. Standish; P. Stooke; P. C. Thomas (2000). Report Of The IAU/IAG Working Group On Cartographic Coordinates And Rotational Elements Of The Planets And Satellites: 2000. Retrieved on 2006-03-22.
  8. The Sun's Vital Statistics. Stanford Solar Center. Retrieved on 2008-07-29., citing
    Eddy, John (1979). A New Sun: The Solar Results From Skylab. Washington, D.C: NASA SP-402. pp. 37. http://solar-center.stanford.edu/vitalstats.html. 


(Dispela pes San em i liklik tumas. Yu inap raitim moa sapos yu laik halivim Wikipedia. Hau?)