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5 August, 12:40

What is sunlight composed of

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  1. 5 August, 14:06
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    Sunlight is composed of a spectrum of rays which are visible light and ultraviolet.
  2. 5 August, 16:30
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    Roughly three quarters of the Sun's mass consists of hydrogen (~73%); the rest is mostly helium (~25%), with much smaller quantities of heavier elements, including oxygen, carbon, neon, and iron. The Sun is a G-type main-sequence star (G2V) based on its spectral class.
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