The sun provides light and warmth that make our earth habitable. A yellow dwarf star that fuses hydrogen atoms into helium and releases huge amounts of energy in the process, the sun serves many functions. Used as an accurate basis for calendars, worshiped as a god, and celebrated at Stonehenge, the Pyramid of the Sun, Inti Raymi and Olympia, the sun is crucial to our existence. Scientists are using technological advancements such as the Solar and Heliospheric Observatory (SOHO) to better understand our star.

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