$SOL The term "SOL" carries multiple meanings across various contexts. In astronomy, it refers to a solar day on Mars, equivalent to approximately 24.65 Earth hours, crucial for understanding Martian timekeeping during space missions. Historically and poetically, "Sol" is also the Latin name for the Sun, often personified as a deity in Roman mythology, akin to the Greek Helios.

In music, "sol" (or "so") represents the fifth note of a diatonic scale in solfège, corresponding to the note G in the fixed system. Furthermore, "Sol" was the name of former currencies in France and Peru. In chemistry, a "sol" denotes a colloidal suspension where solid particles are dispersed in a liquid. Lastly, in internet slang, "SOL" is a common abbreviation for "shit out of luck" or "strictly out of luck," expressing misfortune.