$SOL #SOL Sol is the Latin word for Sun and often used in scientific or poetic contexts to refer to our star. In astronomy, "sol" is also used to measure time on planets like Mars, where one Martian day is called a "sol" and lasts about 24 hours and 39 minutes. The Sun, or Sol, is a G-type main-sequence star (G2V) located at the center of our solar system. It provides the light and heat necessary for life on Earth. The Sun is about 4.6 billion years old and composed mostly of hydrogen and helium. Through nuclear fusion, it converts hydrogen into helium, releasing energy that sustains life. Sol’s influence governs the orbits of planets and drives Earth’s climate and weather.