Spectrum Analysis:
 |
| http://stars.astro.illinois.edu/sow/sunspect1.jpg |
Declination ranges between -23.5° and +23.5°.
Vernal equinox right ascension = 0 hours; declination = 0°
Element
|
Abundance (pct.
of total number
of atoms)
|
Abundance
(pct. of total mass)
|
Hydrogen
|
91.2
|
71.0
|
Helium
|
8.7
|
27.1
|
Oxygen
|
0.078
|
0.97
|
Carbon
|
0.043
|
0.40
|
Nitrogen
|
0.0088
|
0.096
|
Silicon
|
0.0045
|
0.099
|
Magnesium
|
0.0038
|
0.076
|
Neon
|
0.0035
|
0.058
|
Iron
|
0.030
|
0.014
|
Sulfur
|
0.015
|
0.040
|
Stellar Classification: G2V
 |
| http://i.space.com/images/i/000/005/972/original/sun-photo-solar-filament-101118-02.jpg?1294094311 Sources: Star Classification - Zoom Astronomy. (n.d.). Retrieved September 27, 2015, from http://www.enchantedlearning.com/subjects/astronomy/stars/startypes.shtml |
Sharp, T. (n.d.). What is the Sun Made Of? | Layers of the Sun | Space.com. Retrieved September 27, 2015, from http://www.space.com/17170-what-is-the-sun-made-of.html
Astronomy Without a Telescope. (n.d.). Retrieved September 27, 2015, from http://www.astronomynotes.com/nakedeye/s6.htm
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