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Mars' Red Color Explained
- Mars appears red due to iron oxide, commonly known as rust, on its surface.
- The planet's color can change during events like dust storms, shifting to orange hues.
Rust and Mars's Changing Color
- Rust is formed when metals react with water and air, giving Mars its distinctive red color.
- Ancient astronomers may have been unsettled by Mars's changing color, contrary to beliefs it never changed.
Water Key to Martian Life
- Finding liquid water on Mars is key to identifying the planet as potentially habitable.
- Life is incredibly adaptable but universally requires water to survive, making water essential.