The secrets of the Helios(Sun).

This article about knowing some of the known and unknown secrets of the Sun and the measurements, orbital and physical characteristics of Sun.
sun planet, sun the planet, closest to sun planet, is sun planet, sun a planet, sun with planet, is sun planet or star, sun planet or star, sun and planet, sun nearest planet, planet sun hoboken, sun and planet gear, sun to planet distances, is the sun a planet yes or no, 2 sun planet, sun and planet size comparison
The Sun

Are There An Alternative Names For The Sun?


  • The answer is yes, there are some alternative names for the Sun they are Sun, Sol, Helios.
  • And the Adjective form of the name of the Sun is Solar.

The Orbital characteristics of the Sun.


  • Mean distance from Milky Way core ≈ 2.7×1017 km 27,200 light-years.
  • The Galactic period of the Sun is  (2.25–2.50)×108 yr.
  • The Velocity of the Sun is  ≈ 220 km/s (orbit around the center of the Milky Way)≈ 20 km/s (relative to the average velocity of other stars in the stellar neighborhood)≈ 370 km/s (relative to the cosmic microwave background)

The Physical Characteristics of the Sun.


  • The Equatorial radius of the sun is 695,700 km,696,342 km,109 × Earth.
  • The Equatorial circumference of the Sun is 4.379×106 km,109 × Earth.
  • The Ellipticity of the Sun is 9×10−6.
  • The total Surface area of the Sun is  6.09×1012 km2,12,000 × Earth.
  • The total volume of the Sun is 1.41×1018 km3,1,300,000 × Earth.
  • The total mass of the Sun is 1.9884×1030 kg,333,000 × Earth.
  • The average density of the Sun is  1.408 g/cm3,0.255 × Earth.
  • The Center density (modeled) of the Sun is 162.2 g/cm3,12.4 × Earth.
  • The Equatorial surface gravity of the Sun is 274 m/s2,28 × Earth.
  • The Moment of inertia factor of the Sun is 0.070[5] (estimate).
  • The Escape velocity(from the surface) of the Sun is  617.7 km/s,55 × Earth.
  • The Temperature Center (modeled) of the Sun is  1.57×107 K.
  • The Photosphere (effective) of the Sun is  5,772 K.
  • The Corona of the Sun is  ≈ 5×106 K.
  • The Luminosity (Lsol)of the Sun is 3.828×1026 W,≈ 3.75×1028 lm,≈ 98 lm/W efficacy.
  • The Color (B-V) of the Sun is  0.63.
  • The Mean radiance (Isol) of the Sun is 2.009×107 W·m−2·sr−1.
  • The Age of the Sun is  ≈ 4.6 billion years.


The Rotation characteristics of the Sun.


  • The Obliquity of the Sun is  7.25°(to the ecliptic)67.23°(to the galactic plane).
  • The Right ascension of North pole from the Sun is  286.13°,19 h 4 min 30 s.
  • The Declination of North pole of the Sun is +63.87°,63° 52' North.
  • The Sidereal rotation period of the Sun is (at the equator) 25.05 days, (at 16° latitude)25.38 days, 25 d 9h 7 min 12 s,(at poles)34.4 days.
  • The Rotation velocity of the Sun is  (at the equator) 7.189×103 km/h.

The Scrutinized Data of the Sun.



  • The Mean distance from Earth is 1 au ≈ 1.496×108 km,8 min 19 s at light speed.
  • The Visual brightness (V) of the Sun is  −26.74.
  • The Absolute magnitude of the Sun is 4.83.
  • The Spectral classification of the Sun is G2V.
  • The Metallicity of the Sun is Z = 0.0122.
  • The angular size of the Sun is 31.6–32.7 minutes of arc.


% Of Gases in the Sun.


  1. Hydrogen 73.46%
  2. Helium 24.85%
  3. Oxygen 0.77%
  4. Carbon 0.29%
  5. Iron 0.16%
  6. Neon 0.12%
  7. Nitrogen 0.09%
  8. Silicon 0.07%
  9. Magnesium 0.05%
  10. Sulfur 0.04%
So this is all about The secrets of the Helios(Sun). Hope you like it.
Do post your comment.

No comments:

Post a Comment