Mercury, the closest planet to the Sun in our solar system, is a small and scorching world known for its extreme temperature variations. It has virtually no atmosphere to trap heat, resulting in daytime temperatures that can soar to around 800 degrees Fahrenheit (430 degrees Celsius) while plunging to frigid -290 degrees Fahrenheit (-180 degrees Celsius) at night. Mercury's surface is heavily cratered, resembling the moon, and it is thought to be composed primarily of rock and metal. Its lack of