Difference between revisions of "Sun"

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(Reference data for the Sun)
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The '''Sun''' (aka '''Sol''') is an average yellow-dwarf [[star]] near the outer rim of the [[Milky Way]] galaxy. The third planet orbiting the Sun is [[Earth]], which makes the Sun fairly important to humanity.
The '''Sun''' (aka '''Sol''') is an average yellow dwarf [[star]] about 8 [[parsec|kpc]] from the center of the [[Milky Way]] galaxy. The third planet orbiting the Sun is [[Earth]], which makes the Sun fairly important to humanity.


[[Category: Science]]
== Physical Characteristics ==
{| style="width: 100%;"
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! style="width: 50%;" |
! style="width: 50%;" |
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*Radius = 6.96E8 m
*Mass = 1.9891E30 kg
*GM = 1.3271244E20 m³/s²
*Density = 1.41E3 kg/m³
** Core = 1.56E5 kg/m³
*Temperature = 5778 K (blackbody)
** Central = 1.58E7 K
** Average = 7.88E6 K
** Corona > 1E6 K (varies)
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*Distance from galactic core ≅ 2.5E20 m
*Distance from Earth = 1.4959787E11 m
*Escape velocity = 617.6 km/s
*Luminosity = 3.846E26 W
*Mean molar mass = 0.638 g/mol
*Gravitational binding energy = 6.1E41 J
*Pressure (volumetric mean) = 1.4E14 Pa
**Central = 2.4E16 Pa
|}
 
== Notes and References==
<references/>
*Guenther, D.B., Demarque, P. "[http://www.ap.smu.ca/~guenther/Level01/solar/a_solar_model.html Solar Model 1996]"
*Williams, David R. "[http://nssdc.gsfc.nasa.gov/planetary/factsheet/sunfact.html Sun Fact Sheet]"
 
[[Category: Science Reference]]

Revision as of 06:05, 14 December 2007

The Sun (aka Sol) is an average yellow dwarf star about 8 kpc from the center of the Milky Way galaxy. The third planet orbiting the Sun is Earth, which makes the Sun fairly important to humanity.

Physical Characteristics

  • Radius = 6.96E8 m
  • Mass = 1.9891E30 kg
  • GM = 1.3271244E20 m³/s²
  • Density = 1.41E3 kg/m³
    • Core = 1.56E5 kg/m³
  • Temperature = 5778 K (blackbody)
    • Central = 1.58E7 K
    • Average = 7.88E6 K
    • Corona > 1E6 K (varies)
  • Distance from galactic core ≅ 2.5E20 m
  • Distance from Earth = 1.4959787E11 m
  • Escape velocity = 617.6 km/s
  • Luminosity = 3.846E26 W
  • Mean molar mass = 0.638 g/mol
  • Gravitational binding energy = 6.1E41 J
  • Pressure (volumetric mean) = 1.4E14 Pa
    • Central = 2.4E16 Pa

Notes and References